How it Works
GE
Loading...
Revolution CT
User Manual
702 pgs16.29 Mb0
Table of contents
Loading...

GE Revolution CT User Manual

Revolution CT User Manual
OPERATING DOCUMENTATION
5480385-1EN Revision 1
This page left intentionally blank.
Revolution CT User Manual
2

Revision History

Revision Date Reason For Change
1 August 2014 Initial release.
Revolution CT User Manual
The original language of this document is English, Direction Number 5480385-1EN, Revision 1.
Revision History 3
This page left intentionally blank.
Revolution CT User Manual
4 Revision History
Revolution CT User Manual

Table of Contents

Chapter 1 USER INFORMATION.......................................................................................................... 37
1 Introduction....................................................................................................................................37
2 User Documentation......................................................................................................................38
3 GE Approved Accessories.............................................................................................................39
Chapter 2 REGULATORY INFORMATION............................................................................................41
1 Applicable Regulations and Standards......................................................................................... 41
2 Product Description....................................................................................................................... 43
2.1 Intended Use of the System................................................................................................. 43
2.2 Indications for Use of the System.........................................................................................43
2.3 Contraindications..................................................................................................................43
3 Product Manufacturer....................................................................................................................44
Chapter 3 SAFETY.................................................................................................................................45
1 General Safety Guidelines.............................................................................................................45
2 Safety Conventions....................................................................................................................... 47
3 Symbols and Warning Labels........................................................................................................48
3.1 Symbols................................................................................................................................48
3.2 Equipment Warning Labels.................................................................................................. 52
3.2.1 Laser Warning Labels..................................................................................................52
3.2.2 X-ray Warning Labels.................................................................................................. 53
3.2.3 Table Warning Labels..................................................................................................53
3.2.4 Power Distribution Unit (PDU) Warning Labels........................................................... 54
3.2.5 Scanner Desktop Labels..............................................................................................55
3.2.6 External Accessory Labels.......................................................................................... 55
4 Radiation Safety ........................................................................................................................... 59
4.1 X-Ray Protection.................................................................................................................. 59
4.2 General Radiation Safety..................................................................................................... 60
4.3 Scans Acquired at the Same Tomographic Plane................................................................61
4.4 Geometric Dose Efficiency................................................................................................... 61
Table of Contents 5
Revolution CT User Manual
4.5 Backup Timer Indicator.........................................................................................................62
4.6 Starting Scans from the Scan Room.................................................................................... 62
4.7 CTDI
.................................................................................................................................. 62
vol
5 Implantable Device Safety.............................................................................................................64
5.1 Recommendations prior to scanning.................................................................................... 64
5.2 Recommendations after scanning........................................................................................ 64
6 Electrical Safety.............................................................................................................................65
7 Electromagnetic Compatibility Safety............................................................................................68
8 Fire Safety..................................................................................................................................... 69
9 Mechanical Safety......................................................................................................................... 70
9.1 General Mechanical Safety.................................................................................................. 70
9.2 Patient Positioning................................................................................................................70
9.3 Gantry Air Inlets....................................................................................................................73
10 Emergency Devices and Emergency Egress.............................................................................. 74
10.1 Emergency Devices............................................................................................................74
10.1.1 Emergency Stop........................................................................................................ 74
10.1.2 System Emergency OFF Buttons using Main Disconnect Control............................ 75
10.2 Emergency Patient Care During X-ray ON.........................................................................76
10.3 Emergency Egress............................................................................................................. 76
11 Laser Safety................................................................................................................................ 77
12 Reconstructed Image Orientation................................................................................................79
13 Data Safety..................................................................................................................................81
14 Application Specific Safety Topics...............................................................................................83
14.1 Axial and Helical Scanning................................................................................................. 83
14.2 Cardiac Imaging................................................................................................................. 83
14.3 CT Integrated Cardiac Module........................................................................................... 85
14.4 Advanced Application Safety..............................................................................................85
14.5 Measurements....................................................................................................................85
14.6 Segment Tools................................................................................................................... 86
14.7 Filming and Saving Images................................................................................................ 86
15 Application Software Safety.........................................................................................................88
6 Table of Contents
Revolution CT User Manual
16 Accuracy of Measurements.........................................................................................................89
16.1 Measure Distance for Axial, Helical, and Cine Images.......................................................89
16.2 Measure Distance for Scout Images.................................................................................. 89
16.3 Measure Angle................................................................................................................... 90
16.4 Voxel Dimensions...............................................................................................................91
16.5 ROI..................................................................................................................................... 91
16.6 CT Number......................................................................................................................... 91
16.6.1 CT Number Mean and Standard Deviation................................................................92
16.6.2 CT Number Accuracy................................................................................................ 92
16.7 Range, Precision and Accuracy of Displayed Values.........................................................92
17 Accessory Safety.........................................................................................................................93
17.1 Monitor Safety.................................................................................................................... 93
17.2 IV Pole Safety.....................................................................................................................93
17.3 Table Tray Safety............................................................................................................... 94
17.4 Systems With Metal-Free Cradles and Accessories.......................................................... 94
17.5 Power Injector Safety......................................................................................................... 94
17.6 Phantom Safety.................................................................................................................. 94
18 Maintenance and Cleaning..........................................................................................................95
19 Hazardous Substances............................................................................................................... 96
20 System Performance...................................................................................................................97
Chapter 4 READ ME FIRST...................................................................................................................99
1 About This Manual........................................................................................................................99
1.1 Notices ................................................................................................................................99
1.2 Purpose of this guide ..........................................................................................................99
1.3 Prerequisite skills ................................................................................................................99
2 Scan Monitor............................................................................................................................... 100
2.1 New Patient....................................................................................................................... 100
2.2 Patient Schedule............................................................................................................... 101
2.3 Scan Setup......................................................................................................................... 102
3 Image Monitor..............................................................................................................................108
Table of Contents 7
Revolution CT User Manual
3.1 Icons and System Status Area........................................................................................... 108
3.2 Reconstruction and Image Processing Area...................................................................... 110
3.3 Image Viewports.................................................................................................................112
3.4 File Manager.......................................................................................................................113
4 User Interface Conventions.........................................................................................................116
4.1 Select items from a list...................................................................................................... 116
4.2 Cancel .............................................................................................................................. 116
4.3 Button and text appearance ............................................................................................. 116
4.4 Pop-up windows ............................................................................................................... 117
4.5 Mouse controls ................................................................................................................. 117
5 System Troubleshooting Tips......................................................................................................119
Chapter 5 PEDIATRICS AND SMALL PATIENTS............................................................................... 121
1 Overview......................................................................................................................................121
2 Radiation Exposure..................................................................................................................... 122
2.1 Radiation exposure sensitivity .......................................................................................... 122
2.2 Dose reporting considerations ..........................................................................................122
2.3 Minimize pediatric and small patient doses........................................................................ 123
2.3.1 Perform only necessary CT examinations.................................................................123
2.3.2 Scan only the organ or anatomical region indicated..................................................123
2.3.3 Minimize multi-phase contrast CT examinations....................................................... 124
2.3.4 Properly center all patients in the gantry................................................................... 124
2.3.5 Lower mA settings for chest and bone imaging.........................................................124
2.3.6 Scan signal-to-noise.................................................................................................. 124
2.3.7 Consider using in-plane Bismuth shields...................................................................124
2.3.8 Use pediatric positioning accessories........................................................................124
2.3.9 Make a kid friendly environment................................................................................124
3 Pediatric and small patient scans................................................................................................126
3.1 Optimize pediatric protocols for your facility....................................................................... 126
3.2 Pediatric protocols.............................................................................................................. 126
3.3 Color Coding for Kids Protocol Selection........................................................................... 127
8 Table of Contents
Revolution CT User Manual
3.4 Set up a pediatric or small patient exam............................................................................ 128
3.5 Adjust pediatric and small patient scan parameters........................................................... 129
3.5.1 Adjust the parameters by size, age, weight, height, and indications......................... 129
3.5.2 Consider decreasing the kV.......................................................................................130
3.5.3 Center the patient properly when using SmartmA.....................................................131
3.5.4 Increase the pitch...................................................................................................... 131
3.5.5 Use Small SFOV Filters.............................................................................................131
Chapter 6 LARGE PATIENT................................................................................................................ 133
1 Overview......................................................................................................................................133
2 Large Patients............................................................................................................................. 134
2.1 Scanning large patients...................................................................................................... 134
2.1.1 Perform only necessary CT examinations.................................................................134
2.1.2 Patient weight and patient size..................................................................................134
2.1.3 Properly position large patients in the gantry.............................................................134
2.2 Guidelines for adjusting individual exposure parameters by patient.................................. 135
2.2.1 Adjust parameters......................................................................................................135
2.2.2 High kV...................................................................................................................... 135
2.2.3 mA adjustment...........................................................................................................135
2.2.4 Lower pitch / slow rotation time................................................................................. 135
2.2.5 Scan Type..................................................................................................................135
2.2.6 Increase slice thickness.............................................................................................136
2.3 Radiation exposure and dose reporting..............................................................................136
Chapter 7 DOSE CHECK.....................................................................................................................137
1 Overview......................................................................................................................................137
1.1 Introduction.........................................................................................................................137
1.2 Protocol Considerations..................................................................................................... 138
1.3 Terminology........................................................................................................................138
1.3.1 Notification Value (NV).............................................................................................. 138
1.3.2 Alert Value (AV).........................................................................................................138
1.3.3 Dose Check Administrator.........................................................................................138
Table of Contents 9
Revolution CT User Manual
1.3.4 Dose Check AV Exceeding User...............................................................................138
1.3.5 Protocol Change Control........................................................................................... 138
2 Set the Dose Check Administrator Role......................................................................................139
3 Set the Dose Check AV Exceeding User Role............................................................................141
4 Configure the System for Dose Check........................................................................................ 143
5 Configure the AV by Age Threshold............................................................................................145
6 Build Protocols With Access Controls......................................................................................... 147
7 Build Protocols with Notification Values...................................................................................... 148
8 Build Protocols with Notification Values by Factor...................................................................... 149
9 Scan Using Alert Value Checking............................................................................................... 150
10 Scan Using Notification Value Checking................................................................................... 152
11 Use the Dose Audit Tool............................................................................................................154
11.1 Display a Dose Check Log............................................................................................... 154
11.2 Display the Protocol Summary......................................................................................... 154
11.3 Display the Invalid Protocols............................................................................................ 154
11.4 Export Dose Check Log, Protocol Summary, Invalid Protocols Data and User
Protocols................................................................................................................154
Chapter 8 EQUIPMENT....................................................................................................................... 157
1 Overview......................................................................................................................................157
2 Scanner Desktop.........................................................................................................................158
2.1 Computer ..........................................................................................................................160
2.2 Reconstruction hardware...................................................................................................160
2.3 Monitors ............................................................................................................................160
2.4 Scan Control Interface and Keyboard............................................................................... 161
2.5 Preset W/L keys – F5 through F11 ................................................................................... 163
2.6 Page Up/Page Down keys ................................................................................................163
2.7 W/L control keys ............................................................................................................... 163
2.8 Operate the mouse controls ............................................................................................. 163
3 Gantry..........................................................................................................................................165
3.1 Gantry display ...................................................................................................................165
3.2 Internal components........................................................................................................... 168
10 Table of Contents
Revolution CT User Manual
3.3 Gantry and console interfaces ..........................................................................................169
3.3.1 Left rear plug-in panel...............................................................................................170
3.3.2 Console AC power box.............................................................................................171
3.4 Operate the gantry controls .............................................................................................. 172
3.5 Cardiac trigger monitor...................................................................................................... 175
3.5.1 Integrated cardiac trigger monitor..............................................................................175
3.5.2 External cardiac trigger monitor.................................................................................176
4 Table............................................................................................................................................178
4.1 System operation and limitations that reduce the risk of collision with the patient............ 178
4.2 Use the Load/Unload foot pedals ..................................................................................... 180
4.3 Patient comfort and accessories........................................................................................ 180
4.3.1 Cradle pad................................................................................................................. 180
4.3.2 Cradle extender, Axial and Coronal head holders.....................................................180
4.3.3 Cradle extender pad.................................................................................................. 181
4.3.4 Patient arm board...................................................................................................... 181
4.3.5 Catheter bag holder...................................................................................................181
4.3.6 Table tray...................................................................................................................181
4.3.7 IV pole .......................................................................................................................181
4.3.8 Positioning straps...................................................................................................... 181
5 Hardware Components................................................................................................................183
5.1 Components ..................................................................................................................... 183
5.2 Coverage............................................................................................................................ 183
5.3 Axial interval ..................................................................................................................... 183
5.4 Helical pitch, scan mode, and collimation .........................................................................183
5.5 Detector configuration ...................................................................................................... 184
5.5.1 Axial .........................................................................................................................184
5.5.2 Helical ......................................................................................................................184
6 Power Distribution Unit................................................................................................................185
7 System Cabinet........................................................................................................................... 186
8 X-ray Tube and Generator...........................................................................................................187
8.1 X-ray tube .......................................................................................................................... 187
Table of Contents 11
Revolution CT User Manual
8.2 Generator Serial Load Rating.............................................................................................187
9 Purchasable Options................................................................................................................... 189
Chapter 9 STARTUP AND SHUTDOWN............................................................................................. 191
1 Overview......................................................................................................................................191
2 System Startup and Shutdown....................................................................................................192
2.1 Prepare the system .......................................................................................................... 192
2.2 Log On/Log Off.................................................................................................................. 192
2.2.1 Logon window............................................................................................................192
2.2.2 Log On ......................................................................................................................194
2.2.3 Log Off.......................................................................................................................194
2.3 Start up the system ...........................................................................................................195
2.3.1 Routine daily start up when the system was not shut down...................................... 195
2.3.2 Routine daily start up from system shutdown............................................................195
2.3.3 Start up from power off.............................................................................................. 196
2.3.4 System start up failures ............................................................................................ 196
2.4 Shut down or restart the system........................................................................................196
2.4.1 Considerations...........................................................................................................196
2.4.2 Shutdown process..................................................................................................... 196
2.4.3 Restart process..........................................................................................................197
3 Daily Quality Assurance.............................................................................................................. 198
3.1 Tube Warmup.....................................................................................................................198
3.2 Calibration.......................................................................................................................... 198
3.2.1 Daily calibration......................................................................................................... 198
3.2.2 Full system calibration............................................................................................... 198
3.2.3 Non-GE X-ray tube.................................................................................................... 198
3.3 Daily QA workflow.............................................................................................................. 199
3.4 Tube Warmup ...................................................................................................................199
3.5 Run Fast Calibrations......................................................................................................... 202
Chapter 10 PATIENT SCHEDULE.......................................................................................................203
1 Overview......................................................................................................................................203
12 Table of Contents
Revolution CT User Manual
2 Patient Schedule......................................................................................................................... 204
2.1 Schedule features..............................................................................................................204
2.1.1 Schedule window.......................................................................................................204
2.1.2 Schedule columns..................................................................................................... 204
2.1.3 Schedule buttons and icons.......................................................................................205
2.1.4 Schedule dropdown menu.........................................................................................206
2.2 New and completed records .............................................................................................207
2.3 Add a patient to the Schedule........................................................................................... 207
2.4 Edit a patient in the schedule ........................................................................................... 208
2.5 Delete a patient from the schedule ...................................................................................209
2.6 View more patient information on the schedule.................................................................210
2.7 Select a patient from the schedule ................................................................................... 210
2.8 Check a patient's status ....................................................................................................210
2.9 Search for a Patient on the Schedule.................................................................................211
2.10 HIS/RIS Search................................................................................................................ 211
2.11 Setting up the HIS/RIS Refresh........................................................................................213
2.12 Update the patient schedule ...........................................................................................215
Chapter 11 SCAN.................................................................................................................................217
1 Overview......................................................................................................................................217
2 Scan Theory................................................................................................................................ 218
2.1 Dose Deterministic Effects................................................................................................. 218
2.2 CT Perfusion.......................................................................................................................220
2.2.1 Purpose of CT Perfusion .......................................................................................... 220
2.2.2 Components of a CT Perfusion Study....................................................................... 221
2.2.2.1 Body perfusion considerations..........................................................................221
2.2.2.2 Perfusion acquisition types .............................................................................. 221
2.2.2.3 Scan parameter effects on dose.......................................................................222
2.2.2.3.1 kV effects on dose................................................................................... 222
2.2.2.3.2 mA effects on dose.................................................................................. 222
2.2.2.4 Considerations for peak skin dose....................................................................222
Table of Contents 13
Revolution CT User Manual
2.2.2.5 Required image attributes for perfusion imaging ............................................ 223
2.2.2.6 Contrast injection considerations......................................................................223
2.2.2.7 Other considerations and references................................................................223
2.2.2.8 Recommended reading.................................................................................... 224
2.3 Total Scan Time................................................................................................................. 226
2.4 Automatic Exposure Control...............................................................................................227
2.4.1 How AEC works.........................................................................................................227
2.4.2 Adaptation to anatomy...............................................................................................227
2.4.3 When to use AEC...................................................................................................... 228
2.4.4 When not to use AEC................................................................................................ 228
2.4.5 AEC does not guarantee reduction of radiation doses in all patients........................ 228
2.4.6 Effect of AEC control setting......................................................................................228
2.4.7 AEC considerations of patient size, shape, composition, and age............................229
2.4.8 Dynamic AEC scanning.............................................................................................229
2.4.9 How to tell if the dose has changed...........................................................................229
2.4.10 Summary................................................................................................................. 229
2.4.11 AEC Messaging.......................................................................................................230
2.5 Slice Thickness Reference Noise Index and Noise Index Values...................................... 231
2.6 SmartmA/ODM................................................................................................................... 232
2.6.1 SmartmA....................................................................................................................232
2.6.1.1 SmartmA background....................................................................................... 232
2.6.1.2 SmartmA theory................................................................................................233
2.6.1.3 References....................................................................................................... 234
2.6.1.4 SmartmA FAQs.................................................................................................234
2.6.2 SmartmA....................................................................................................................239
2.6.3 Organ Dose Modulation (ODM).................................................................................239
2.7 kV Assist.............................................................................................................................241
2.7.1 kV Assist background................................................................................................ 241
2.7.2 kV Assist theory.........................................................................................................242
2.7.3 Image Display............................................................................................................243
2.7.4 kV Assist FAQs..........................................................................................................243
14 Table of Contents
Revolution CT User Manual
2.7.5 References................................................................................................................ 244
3 Exam Workflow............................................................................................................................245
3.1 Exam Workflow Concepts.................................................................................................. 245
3.1.1 Positioning a patient ................................................................................................. 245
3.1.2 Using protocols .........................................................................................................245
3.1.3 Using contrast............................................................................................................245
3.2 Exam Workflow Windows.................................................................................................. 245
3.2.1 Patient Information window........................................................................................245
3.2.2 Patient Position area..................................................................................................246
3.2.3 Scan Settings window................................................................................................247
3.3 Exam Workflow Procedures.............................................................................................. 249
3.3.1 Set up and position the patient.................................................................................. 250
3.3.2 Set up the patient's information ................................................................................ 252
3.3.2.1 Enter patient ID or accession number with the bar code reader.......................254
3.3.2.2 Modify the Patient Information presets............................................................. 254
3.3.3 Select a protocol........................................................................................................255
3.3.4 Acquire a scout..........................................................................................................256
3.3.5 Adjust the Graphic Rx................................................................................................257
3.3.6 Enter contrast descriptions ....................................................................................... 261
3.3.6.1 Selecting a contrast preset............................................................................... 262
3.3.6.2 Adding a contrast preset...................................................................................262
3.3.7 Start a scan ...............................................................................................................262
3.3.8 Duplicate a series...................................................................................................... 264
3.3.9 Stop a scan ...............................................................................................................264
3.3.9.1 Abort a scan in progress...................................................................................264
3.3.9.2 Pause a scan in progress................................................................................. 264
3.3.9.3 Emergency stop scan, electronics, and x-radiation.......................................... 264
3.3.10 Close the exam .......................................................................................................264
4 Scan Parameters.........................................................................................................................265
4.1 Scan Type.......................................................................................................................... 265
4.1.1 Axial...........................................................................................................................265
Table of Contents 15
Revolution CT User Manual
4.1.2 Helical........................................................................................................................265
4.1.3 Cardiac Axial..............................................................................................................265
4.1.4 Cine........................................................................................................................... 265
4.1.5 Hi Res Mode..............................................................................................................265
4.1.6 Rotation Time............................................................................................................ 266
4.2 Coverage Speed collection.................................................................................................266
4.3 kV and mA Control............................................................................................................. 270
4.3.1 kV Mode.....................................................................................................................270
4.3.1.1 Manual kV Mode...............................................................................................270
4.3.1.2 kV Assist kV Mode............................................................................................271
4.3.2 mA Mode................................................................................................................... 271
4.3.2.1 Manual mA Mode..............................................................................................272
4.3.2.2 SmartmA Mode.................................................................................................272
4.3.2.3 mA Max and mA Min........................................................................................ 273
4.3.2.4 ODM Mode....................................................................................................... 273
4.3.3 Noise Index................................................................................................................275
4.3.4 Cardiac Modulated mA.............................................................................................. 276
4.4 Anatomy Selection..............................................................................................................276
4.5 Scan parameters workflow ................................................................................................ 277
4.5.1 Choose the Scan Type ............................................................................................. 279
4.5.2 Set the Coverage Speed options ..............................................................................280
4.5.3 Set the kV and mA Control........................................................................................ 281
4.5.3.1 Set the mA........................................................................................................ 281
4.5.3.2 Set the kV......................................................................................................... 282
4.5.4 Set the Anatomy Selection........................................................................................ 283
4.5.4.1 Set the Start and End Locations....................................................................... 283
4.5.4.2 Set the Scan Field of View ...............................................................................283
4.5.4.3 Set the Display Field of View (DFOV) for the primary recon............................ 284
4.5.4.4 Set the R/L Center coordinates for the primary recon...................................... 285
4.5.4.5 Set the A/P Center coordinates for the primary recon...................................... 285
5 Timing Parameters...................................................................................................................... 287
16 Table of Contents
Revolution CT User Manual
5.1 Timing Parameters collection............................................................................................. 287
5.2 Timing parameters workflow ..............................................................................................287
5.2.1 Set Prep Delay time ..................................................................................................287
5.2.2 Set Inter Scan Delay time..........................................................................................288
6 Recon Parameters.......................................................................................................................289
6.1 Recon Parameter descriptions........................................................................................... 289
6.1.1 Recon Type............................................................................................................... 289
6.1.2 Hi Res........................................................................................................................289
6.1.3 Axial Plus Recon Mode..............................................................................................289
6.1.4 Cardiac Axial Plus Recon Mode................................................................................ 289
6.1.5 Full and Plus Recon Modes for Helical scan types....................................................289
6.1.6 IQ Enhance for Helical scan types.............................................................................289
6.1.7 Quality Check (QC) Images.......................................................................................290
6.1.8 Flip / Rotate............................................................................................................... 290
6.1.9 Copy Forward............................................................................................................ 291
6.2 Primary Recon collection....................................................................................................291
6.3 Primary Recon parameters workflow..................................................................................293
6.3.1 Set the Slice Thickness............................................................................................. 293
6.3.2 Set the Image Interval................................................................................................293
6.3.3 Set the Recon Type...................................................................................................294
6.3.4 Set Recon Options for Helical scan types................................................................. 295
6.3.4.1 Recon Mode..................................................................................................... 295
6.3.4.2 IQ Enhance.......................................................................................................295
6.3.5 ASiR-V for all scan types...........................................................................................295
6.3.6 Adjust Window Width and Window Level for all scan types...................................... 295
6.3.7 Image Flip Orientation for all scan types................................................................... 296
6.4 Secondary Recon Parameters........................................................................................... 296
6.4.1 Overlapped Axial Recon mode..................................................................................299
6.4.2 Secondary Recon Slice Thickness............................................................................ 299
7 Auto Voice................................................................................................................................... 301
7.1 Auto Voice workflow ......................................................................................................... 301
Table of Contents 17
Revolution CT User Manual
7.2 Set the Auto Voice language ............................................................................................ 301
7.3 Set the Voice/Lights/Timer options ....................................................................................302
7.4 Change the Auto Voice preset delay ................................................................................. 302
8 Additional Scan Features............................................................................................................ 303
8.1 Add or delete a group ....................................................................................................... 303
8.1.1 Add a group ............................................................................................................. 303
8.1.2 Delete a group ......................................................................................................... 303
8.1.3 Duplicate a series...................................................................................................... 303
8.2 Optimize technical parameters........................................................................................... 303
8.3 Optimize patient dose .......................................................................................................304
8.3.1 Pediatric Protocols.....................................................................................................304
8.3.2 SmartmA....................................................................................................................304
8.3.3 Organ Dose Modulation (ODM).................................................................................304
8.3.4 AEC with Cardiac Modes...........................................................................................304
8.3.5 SmartHelical.............................................................................................................. 305
8.3.6 Advanced Artifact Reduction (AAR)...........................................................................305
8.3.7 Adaptive Statistical Iterative Recon (ASiR-V)............................................................305
8.3.8 kV Assist....................................................................................................................305
8.3.9 Auto Gating Configuration......................................................................................... 305
8.3.10 Dose Reports...........................................................................................................305
8.4 View the Dose Report .......................................................................................................305
8.4.1 Prerequisites ............................................................................................................305
8.4.2 Dose Report Generation............................................................................................305
8.5 Dose Information .............................................................................................................. 306
Chapter 12 SCAN APPLICATIONS..................................................................................................... 307
1 Overview......................................................................................................................................307
2 ASiR-V.........................................................................................................................................308
2.1 ASiRTM-V Theory................................................................................................................ 308
2.2 Dose adjustment Factor - Manual mA method................................................................... 309
2.3 Reconstruction....................................................................................................................310
18 Table of Contents
Revolution CT User Manual
2.4 ASiR-V Image annotation ................................................................................................. 311
2.5 Acquire a scan ..................................................................................................................311
3 SmartPrep................................................................................................................................... 312
3.1 SmartPrep Workflow...........................................................................................................312
3.2 SmartPrep Windows/Elements..........................................................................................313
3.2.1 SmartPrep Baseline Setup window........................................................................... 313
3.2.2 Monitor Phase Setup window.................................................................................... 316
3.2.3 Monitor Phase window...............................................................................................317
3.3 Set up a SmartPrep series................................................................................................ 319
3.4 Acquire a scan without Dynamic Transition........................................................................322
3.4.1 Baseline Phase without Dynamic Transition..............................................................322
3.4.2 Monitor Phase without Dynamic Transition............................................................... 323
3.5 Acquire a scan with Dynamic Transition.............................................................................324
3.5.1 Baseline Phase with Dynamic Transition...................................................................324
3.5.2 Monitor Phase with Dynamic Transition.................................................................... 324
3.6 Scan Phase — Diagnostic Scan.........................................................................................325
4 Enhanced Xtream Injector...........................................................................................................326
4.1 About Enhanced Xtream Injector........................................................................................326
4.1.1 Indications for use ....................................................................................................326
4.1.2 Protocol considerations ........................................................................................... 326
4.2 Enhanced Xtream Injector window.................................................................................... 326
4.3 Contrast report ..................................................................................................................329
4.4 Set up the Enhanced Xtream Injector ...............................................................................329
Chapter 13 CARDIAC.......................................................................................................................... 331
1 Overview......................................................................................................................................331
2 Cardiac Workflow........................................................................................................................ 332
2.1 Prepare the patient ........................................................................................................... 332
2.1.1 Exam prep instructions ............................................................................................ 332
2.1.2 Consent forms ......................................................................................................... 332
2.1.3 Breathing instructions .............................................................................................. 332
Table of Contents 19
Revolution CT User Manual
2.1.4 IV setup and contrast ...............................................................................................333
2.2 Attach ECG electrodes to the patient................................................................................. 333
2.2.1 Adjust ECG Trigger Device Settings..........................................................................337
2.2.1.1 User Console.................................................................................................... 337
2.2.1.2 Gantry Display.................................................................................................. 337
2.2.1.3 External ECG Trigger Device........................................................................... 337
2.2.2 Check Electrode Impedance......................................................................................337
2.2.2.1 Initiating Electrode Impedance Check.............................................................. 338
2.2.2.2 Electrode Impedance Check Results................................................................338
2.3 Acquire a scout scan ........................................................................................................ 338
2.4 Acquire a heart localizer or calcium score scan (optional, but recommended) ................ 339
2.5 Acquire a manual bolus timing scan .................................................................................340
2.6 Acquire a contrast enhanced cardiac scan .......................................................................342
3 Cardiac Scan Parameters........................................................................................................... 345
3.1 Scan Type.......................................................................................................................... 345
3.2 Primary Recon....................................................................................................................345
3.3 Secondary Recon............................................................................................................... 345
3.4 Cardiac scan modes .........................................................................................................345
3.4.1 Anatomy Selection.....................................................................................................346
3.4.1.1 Considerations..................................................................................................346
3.4.1.2 Graphic Prescription (Graphic Rx)....................................................................346
3.4.2 Scan Overlap.............................................................................................................347
3.4.3 Single Table Position.................................................................................................347
3.5 Set the ECG and Gating settings...................................................................................... 347
3.5.1 Auto Gating................................................................................................................348
3.5.1.1 Gating Based On.............................................................................................. 349
3.5.1.2 Acquisition Window Part 1................................................................................ 349
3.5.1.3 Acquisition Window Part 2................................................................................ 350
3.5.1.4 Acquisition Window Part 3................................................................................ 350
3.5.1.5 HR Variation Allowance.................................................................................... 351
3.5.1.6 Arrhythmia Retrigger.........................................................................................351
20 Table of Contents
Revolution CT User Manual
3.5.1.7 Adaptive Gating................................................................................................ 351
3.5.1.8 Cardiac Phase Background.............................................................................. 351
3.5.2 Coverage Speed........................................................................................................353
3.5.2.1 Detector Coverage (mm).................................................................................. 353
3.5.2.2 Single Table Position........................................................................................ 353
3.5.2.3 Number of Passes............................................................................................ 353
3.5.2.4 Minimum Time Between Passes...................................................................... 353
3.6 Display an ECG Trace on the operator console................................................................ 353
4 Cardiac Modulated mA................................................................................................................355
5 Auto Gating..................................................................................................................................356
5.1 Auto Gating Acquisition Settings....................................................................................... 356
5.2 Auto Gating Configuration window.................................................................................... 357
5.3 Automatically record the heart rate during breath hold .....................................................359
5.4 Manually record the heart rate during breath hold ............................................................360
5.5 Manual Mode......................................................................................................................360
6 Cardiac Recon.............................................................................................................................362
6.1 Cardiac QC Recon ............................................................................................................ 362
6.2 Primary Recon....................................................................................................................362
6.3 Recon Link to Auto Gating..................................................................................................362
6.4 Prescribing Basic Cardiac Secondary Recons................................................................... 362
6.5 Interactive ECG Editor........................................................................................................364
6.6 Graphically adjust reconstruction timing............................................................................365
6.6.1 Method 1....................................................................................................................365
6.6.2 Method 2....................................................................................................................365
6.6.3 Method 1 and 2..........................................................................................................365
6.7 Insert, delete, or move an R-peak trigger ......................................................................... 365
6.8 Change heartbeat from Arrhythmia Retrigger to Reconstruct............................................ 366
6.9 Display secondary recon images ......................................................................................366
6.9.1 Cardiac image annotation ........................................................................................366
6.9.2 Edited cardiac image annotation ............................................................................. 366
7 SnapShot Freeze.........................................................................................................................367
Table of Contents 21
Revolution CT User Manual
Chapter 14 VIEW IMAGES.................................................................................................................. 371
1 Overview......................................................................................................................................371
1.1 Viewports Overview............................................................................................................371
1.2 File Manager Overview.......................................................................................................372
1.3 Reconstruction and Image Processing Overview...............................................................373
1.4 Additional Considerations...................................................................................................373
2 Image Display..............................................................................................................................374
2.1 Access images in File Manager ........................................................................................374
2.1.1 Selecting images in File Manager..............................................................................375
2.1.2 Selecting Images using keyboard commands........................................................... 378
2.2 Access images from the Reconstruction and Image Processing window.......................... 378
2.3 Selecting viewports for images in the Reconstruction and Image Processing Task List....382
2.3.1 Auto-View.................................................................................................................. 382
2.3.2 Viewport Priority.........................................................................................................382
2.4 View images in a cine loop ............................................................................................... 382
2.5 View a reference image.....................................................................................................384
3 Image Tools.................................................................................................................................386
3.1 Display normal ..................................................................................................................386
3.2 Edge, smoothing and lung enhancement filters ............................................................... 386
3.2.1 Considerations .........................................................................................................387
3.2.2 Applying filters.......................................................................................................... 388
3.3 Gray Scale Enhancement .................................................................................................388
3.4 Flip/rotate images ............................................................................................................. 390
3.5 DICOM Gray Scale Presentation State (GSPS) objects .................................................. 391
3.5.1 Create a GSPS object ............................................................................................. 391
3.5.2 View a GSPS object ................................................................................................ 391
3.6 Magnify or minify an image ...............................................................................................391
3.7 Apply a matte ....................................................................................................................392
3.7.1 Place a matte ...........................................................................................................392
3.7.2 Move, resize, hide, or delete a matte .......................................................................392
22 Table of Contents
Revolution CT User Manual
3.8 Move images within a viewport .........................................................................................392
3.9 Inverse the video display .................................................................................................. 392
3.10 Adjust the W/L ................................................................................................................ 392
3.10.1 Mouse ....................................................................................................................393
3.10.2 Function keys .........................................................................................................393
4 Measurements.............................................................................................................................394
4.1 Measure a density reading ............................................................................................... 394
4.2 Use MIROI density reading to calculate bolus timing......................................................... 395
4.3 Add a grid ......................................................................................................................... 396
4.4 Measure distance.............................................................................................................. 396
4.5 Report a cursor .................................................................................................................397
5 Additional Image Tools................................................................................................................398
5.1 Annotate an image ........................................................................................................... 398
5.2 View an exam or series text page .................................................................................... 399
5.3 Hide, show, or remove graphics ....................................................................................... 400
5.4 Save an image screen ......................................................................................................401
5.5 Cross-reference images on a scout ..................................................................................401
5.6 Command Line................................................................................................................... 402
6 User Preferences.........................................................................................................................406
6.1 Set annotation preferences .............................................................................................. 406
6.2 Set series binding preferences ......................................................................................... 409
Chapter 15 DISPLAY APPLICATIONS................................................................................................ 411
1 Overview......................................................................................................................................411
2 Add/Subtract................................................................................................................................412
2.1 Add/Subtract basic terminology.........................................................................................412
2.2 Add/Subtract and Image Combination window..................................................................412
2.3 Add/subtract images .........................................................................................................416
2.4 Bind series ........................................................................................................................417
2.5 Create images with min/max values .................................................................................417
3 Direct Multi Planar Reformat (DMPR)......................................................................................... 419
Table of Contents 23
Revolution CT User Manual
3.1 Reformat Tools panel......................................................................................................... 420
3.1.1 Icons.......................................................................................................................... 421
3.1.2 Reformat processing order........................................................................................ 422
3.1.3 Processing and transfer status indicators..................................................................422
3.1.4 Reformat Settings panel............................................................................................ 422
3.1.4.1 Protocol settings............................................................................................... 423
3.1.4.2 Batch Options................................................................................................... 424
3.1.4.3 Output Options .................................................................................................425
3.1.4.4 Transfer options................................................................................................426
3.1.4.5 Auto-Run/Run button........................................................................................ 427
3.2 Reformat planning.............................................................................................................. 428
3.2.1 Automatic reformat.................................................................................................... 428
3.2.2 Semi-automatic reformat........................................................................................... 428
3.2.3 Manual reformat.........................................................................................................429
3.2.4 Graphic object for oblique reformats..........................................................................429
3.2.5 Graphic object for rotate reformats............................................................................430
3.2.6 Modify active (yellow) annotation...............................................................................431
3.2.7 3D cursor................................................................................................................... 432
4 Exam Split................................................................................................................................... 434
4.1 Exam Split Configuration.................................................................................................... 434
4.1.1 Virtual mode...............................................................................................................434
4.1.2 Hard mode.................................................................................................................434
4.2 Selecting exams to be split................................................................................................434
4.3 Split exams when the scan is completed ..........................................................................435
Chapter 16 REFORMAT...................................................................................................................... 441
1 Overview......................................................................................................................................441
1.1 Indications for use.............................................................................................................. 441
1.2 User profile......................................................................................................................... 441
1.3 Requirements for Reformat................................................................................................ 441
1.4 Considerations....................................................................................................................442
24 Table of Contents
Revolution CT User Manual
2 Reformat......................................................................................................................................443
2.1 Open Reformat ................................................................................................................. 443
2.2 Use the Reformat Image Controls .................................................................................... 443
2.2.1 Rotate freehand or page images ............................................................................. 444
2.2.2 Zoom (magnify) images ...........................................................................................444
2.2.3 Roam (pan) images ................................................................................................. 444
2.2.4 Select objects .......................................................................................................... 444
2.2.5 W/L images ..............................................................................................................444
2.2.6 Change the image orientation ..................................................................................444
2.2.7 Activate the Oblique mode .......................................................................................445
2.3 Use the keyboard shortcuts ..............................................................................................445
2.4 Use the right-click functions ..............................................................................................446
3 Display.........................................................................................................................................448
3.1 Annotation ........................................................................................................................ 448
3.2 ROI ................................................................................................................................... 449
3.3 Modify active (red) annotation .......................................................................................... 449
3.4 Review Controller screen ................................................................................................. 451
3.5 Display tab .........................................................................................................................453
3.6 My Tools tab ..................................................................................................................... 455
3.6.1 View Tools................................................................................................................. 455
3.6.2 Remove a tool............................................................................................................456
3.6.3 Add a tool...................................................................................................................456
3.6.4 Move or hide the palette............................................................................................ 456
3.7 Color Map Table screen ................................................................................................... 456
3.8 ROI Preferences screen ................................................................................................... 458
3.9 Annotate an image ........................................................................................................... 459
3.10 Save preset annotation ...................................................................................................460
3.11 Measure ..........................................................................................................................460
3.11.1 Measure distance ................................................................................................... 460
3.11.2 Measure angle........................................................................................................461
3.11.3 Measure area...........................................................................................................461
Table of Contents 25
Revolution CT User Manual
3.11.4 Measure volume...................................................................................................... 461
3.12 Manage Colormaps......................................................................................................... 461
3.13 Add an ROI .....................................................................................................................462
4 View Types .................................................................................................................................464
4.1 Create a Curved view ....................................................................................................... 464
4.2 Create an X Section Histogram view.................................................................................464
4.3 Create an MPVR view ...................................................................................................... 465
4.4 Create a Profile view ........................................................................................................ 466
5 Volume Render............................................................................................................................467
5.1 Up ramp VR adjustments ................................................................................................. 467
5.2 Surface rendering ............................................................................................................. 468
5.3 Render modes .................................................................................................................. 468
5.4 VR Presets screen.............................................................................................................469
5.5 VR Settings screen.............................................................................................................470
5.6 VR Controls screen .......................................................................................................... 472
5.7 Display a VR image............................................................................................................ 474
5.8 Attach/detach objects........................................................................................................ 475
5.9 Cut planes ........................................................................................................................ 476
5.10 Work with colors ............................................................................................................. 477
5.10.1 Add colors ..............................................................................................................477
5.10.2 Assign a range of colors ........................................................................................ 478
5.10.3 Change a color ...................................................................................................... 478
5.11 Autofit ............................................................................................................................. 478
5.12 Create a multi-VR object ................................................................................................ 479
5.13 Modify the opacity ramp ................................................................................................. 480
5.14 Zoom in/out .....................................................................................................................481
6 Segment...................................................................................................................................... 482
6.1 Segment tab ..................................................................................................................... 482
6.2 Scalpel control panel.......................................................................................................... 483
6.3 Advanced Processing panel.............................................................................................. 485
6.4 Combine segmented objects............................................................................................. 487
26 Table of Contents
Revolution CT User Manual
6.5 Paint On Slices ................................................................................................................. 488
6.6 Add/Remove anatomy with Auto Select ........................................................................... 489
6.7 Remove floaters ............................................................................................................... 489
6.8 Threshold an image ..........................................................................................................490
7 Batch Film....................................................................................................................................492
7.1 Batch types .......................................................................................................................492
7.2 Batch protocol ...................................................................................................................492
7.3 Preview, film, or save a batch ...........................................................................................492
7.4 Film/Save tab ....................................................................................................................493
7.5 Batch screen .....................................................................................................................493
7.6 Save Image screen ...........................................................................................................496
7.7 Film/Save Options screen ................................................................................................ 497
7.8 Set up a batch oblique ......................................................................................................498
7.9 Batch film images ............................................................................................................. 499
7.9.1 Rotate 360° 3D images ............................................................................................ 499
7.9.2 Radial planes on 2D views ...................................................................................... 500
7.10 Save a curved parallel plane or rotating curve batch ..................................................... 501
Chapter 17 DATA MANAGEMENT...................................................................................................... 503
1 Overview......................................................................................................................................503
2 File Manager................................................................................................................................504
2.1 Controls area...................................................................................................................... 505
2.1.1 Local/Remote Exam List Selection............................................................................506
2.1.2 Search box.................................................................................................................506
2.1.3 Source menu............................................................................................................. 507
2.1.4 Application icons........................................................................................................507
2.1.5 Recycle Bin................................................................................................................508
2.2 Exam list............................................................................................................................. 509
2.2.1 Exam list columns......................................................................................................509
2.2.1.1 Exam status column ........................................................................................ 510
2.2.1.2 Network Status icons........................................................................................ 510
Table of Contents 27
Revolution CT User Manual
2.2.1.3 Archive Status icons......................................................................................... 511
2.2.2 Right mouse options in the exam list.........................................................................511
2.2.3 Sorting the Exam List.................................................................................................513
2.2.4 Deleting exams..........................................................................................................513
2.2.5 Configuring the Exam List..........................................................................................513
2.2.5.1 Choosing which columns to display..................................................................513
2.2.5.2 Changing the width of columns.........................................................................514
2.2.5.3 Changing the order of columns.........................................................................514
2.2.6 Keyboard shortcuts....................................................................................................514
2.2.7 Performed Procedure Step (PPS)............................................................................. 515
2.2.7.1 PPS Column..................................................................................................... 515
2.2.7.2 Send PPS for an exam..................................................................................... 515
2.3 Series list............................................................................................................................ 515
2.3.1 Sorting the Series List................................................................................................516
2.3.2 Deleting series and images....................................................................................... 516
2.3.3 Configuring the Series List.........................................................................................517
2.3.3.1 Choosing which columns to display..................................................................517
2.3.3.2 Changing the width of columns.........................................................................517
2.3.3.3 Changing the order of columns.........................................................................517
2.3.4 Keyboard shortcuts....................................................................................................517
3 Job Management Screen............................................................................................................ 519
4 Archive/Network.......................................................................................................................... 522
4.1 Configure Network Hosts window.......................................................................................523
4.1.1 Configured Hosts list..................................................................................................523
4.1.2 Remote Host Information...........................................................................................524
4.1.3 Archive Node Settings............................................................................................... 525
4.1.4 SCU and SCP Services.............................................................................................525
4.2 Working with archive nodes and network hosts................................................................. 526
4.2.1 Add or Edit a Host......................................................................................................526
4.2.2 Remove Nodes from the Configuration Host List...................................................... 527
4.2.3 Ping a Remote Host...................................................................................................527
28 Table of Contents
Revolution CT User Manual
4.3 Local DB Retrieve Exams, Series, or Images.................................................................... 527
4.4 Manually Send Exam, Series or Images............................................................................ 528
4.5 View the Backlog/Queue.................................................................................................... 529
4.6 Eject (Detach) Media.......................................................................................................... 529
4.7 Check the Network History................................................................................................. 530
4.8 Workarounds...................................................................................................................... 530
5 CD, DVD and USB Interchange.................................................................................................. 531
5.1 Media Creator.....................................................................................................................532
5.2 How to Handle CDs and DVDs...........................................................................................534
5.3 Save Images.......................................................................................................................535
5.4 Restore Images.................................................................................................................. 538
5.5 View Images on a PC......................................................................................................... 538
5.6 Remove DVD RAM Cartridge.............................................................................................541
6 Data Export..................................................................................................................................543
6.1 Compose Tab..................................................................................................................... 543
6.2 Export Tab.......................................................................................................................... 547
6.3 Compose a Report............................................................................................................. 552
6.4 Export a Report.................................................................................................................. 552
6.5 View a Report on a PC....................................................................................................... 553
6.6 Delete Items....................................................................................................................... 554
7 Patient Data.................................................................................................................................555
8 Scan Data Manager.....................................................................................................................561
8.1 Locking and unlocking scan data....................................................................................... 563
8.2 Deleting scan data..............................................................................................................563
8.3 Add reconstruction..............................................................................................................563
8.4 Save full or anonymized raw scan data ............................................................................563
9 Recon Management.................................................................................................................... 565
9.1 Recon Management concepts............................................................................................565
9.2 General Recon Management Window................................................................................565
9.2.1 Suspended entries.....................................................................................................565
9.2.2 Deleting Reconstruction Jobs....................................................................................566
Table of Contents 29
Revolution CT User Manual
9.3 Completed Recon Management Window........................................................................... 566
10 Reconstruction and Image Processing Task List...................................................................... 567
10.1 Reconstruction and Image Processing Task List window................................................ 567
10.2 Reconstruction in the Reconstruction and Image Processing Task List...........................569
10.2.1 Adding a recon.........................................................................................................569
10.2.2 Duplicate a recon.....................................................................................................569
10.2.3 Editing/viewing a secondary recon task...................................................................570
10.3 Reformatting in the Reconstruction and Image Processing Task List.............................. 570
10.4 Selecting viewports for images in the Reconstruction and Image Processing Task List..570
10.4.1 Auto-View................................................................................................................ 571
10.4.2 Series Binding..........................................................................................................571
10.4.3 Expanded Mode.......................................................................................................571
10.4.4 Viewport Priority.......................................................................................................571
10.5 Image Tools Column........................................................................................................ 571
10.6 Data Transfer....................................................................................................................573
Chapter 18 PROTOCOLS.................................................................................................................... 575
1 Overview......................................................................................................................................575
2 Protocols......................................................................................................................................576
2.1 Build protocols .................................................................................................................. 576
2.2 Use protocols ....................................................................................................................576
2.3 Edit protocols ....................................................................................................................577
2.4 View protocols .................................................................................................................. 577
2.5 System options ................................................................................................................. 577
2.6 Protocol Selection window.................................................................................................577
2.6.1 Protocol numbers .....................................................................................................578
2.6.2 Anatomical Selector .................................................................................................578
2.7 Edit a protocol ...................................................................................................................579
2.8 Add a protocol to Favorites................................................................................................581
2.9 Copy and paste a protocol ................................................................................................581
2.10 Delete a protocol ............................................................................................................ 582
30 Table of Contents
Loading...
+ 672 hidden pages
Buy Points How it Works FAQ Contact Us Questions and Suggestions Privacy Policy Cookie Policy Terms of Use