Operator's Manual for DPX-NT, DPX-MD+, DPX Bravo, DPX Duo, Prodigy, Prodigy Advance, Prodigy Primo, and Lunar iDXA x-ray bone densitometers
systems using enCORE with Windows XP Professional computers. GE Healthcare recommends viewing the instructions for navigating the Lunar
enCORE™ based X-ray Bone Densitometer User Manual before proceeding through the online guide for the first time. Before operating scanner,
read the Safety and Technical Specifications manual which is part of operator's instructions.
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Page 4 of 138
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This product includes some software components that are licensed under the GNU General Public License (GPL). Source code for GPL
components is available upon request.
General Product Information
The bone densitometer is designed to estimate the bone mineral density of patients when medically indicated by their physicians. The
manuals provide instructions for operating the software and scan table, system information, and maintenance information.
Variables Affecting Scan Results
Scan results can be affected by operator technique and patient variability:
• Operator technique refers to patient positioning and scan analysis. To minimize technique variables, 1) establish consistent
positioning and scan analysis routines by using anatomical landmarks when positioning patients, and 2) during analysis,
manipulate raw scan data only when absolutely necessary.
• Patient variability refers to changes in the patient's medical history, metabolism, and diet. It also refers to diagnostic procedures
that involve radionuclide uptake and medical treatment, and the presence of external radiation (particularly the use of other
radiation-generating devices in the vicinity of the system). To minimize patient variability, 1) thoroughly familiarize yourself with
the patient's history, and 2) install the scanner in an environment effectively shielded from other sources of external radiation.
United States Federal Law restricts this device to the sale, distribution, and use by or on the order of a physician.
Operator Profile
The intended users of the DXA scanner are medical professionals with knowledge and experience required to work with x-ray
equipment.
Training Information
GE Medical Systems Lunar or authorized GE Medical Systems Lunar distributors provide individual, hands-on training as part of the
installation procedure for your system. (GE Medical Systems Lunar distributors provide training for systems installed outside the United
States.) An Applications Specialist provides information on software and hardware operations, and reviews the warnings and cautions
in the manuals.
IMPORTANT: Only trained technologists should operate the system. New technologists should receive training prior to
unsupervised operation of the system. Additional training sessions are available on request for a nominal fee. For more
information, contact GE Medical Systems Lunar Support at 800-334-5831, or your local GE Medical Systems representative.
Cautions for DXA Determinations
You should be aware of the following factors which may affect the clinical accuracy of DXA spine estimates: marked distortions of
skeletal architecture-e.g., osteophytes, degenerative disc disease, spinal arthritis, spondylolisthesis, kyphoscoliosis, and vertebral
fractures-and significant calcium deposits in the aorta can falsely elevate spine bone mineral values. Regions that contain these
dystrophic calcifications can be excluded from the scan analysis in some cases. The scanner can be used to monitor changes in bone
mineral over time in patients with these disorders, but caution must be taken in interpretation. Use DXA estimates as an aid to other
methods in the evaluation of patient bone mineral status in the clinical setting.
In addition, spine estimates will be difficult to interpret for patients with orthopedic metal devices and previous surgical interventions,
such as bone grafts. Radiographic contrast material and radiopharmaceuticals used for myelograms, barium enemas, and other
diagnostic tests prevent accurate estimates. Barium clears the body within a few days, but the oil-based dyes used in myelograms
several years ago may remain within the body for years. A three-day waiting period is sufficient time for barium and most
radiopharmaceuticals to be completely discharged from the body.
Femur estimates will be difficult to interpret for patients with orthopedic metal devices and previous surgical interventions. The most
common complicating factors for femur estimates are prosthetic devices and surgical implants in the region of the bone scan. Results
may be adversely affected if the patient has difficulty with the desired 25° inward rotation of the leg or with maintaining this position
without movement.
Total Body estimates require consistent patient positioning for accurate results and will be difficult to interpret for patients with
orthopedic metal devices and previous surgical interventions. The operator should pay particular attention to the location of the patient's
arms, keeping the positioning the same for each scan. Results may be affected if the patient moves during the scan.
Precautions for Standard Operating Procedures
• Do not attempt to operate the scanner without first reading this manual.
• Do not remove the assembly panels or attempt any repairs without prior instructions from authorized GE Medical Systems
Lunar personnel.
• Do not sit or lie on the scan table for purposes other than scanning.
• Perform the Quality Assurance procedure each morning. If any test fails, check the position of the calibration block and rerun
the QA procedure. If a test fails again, contact GE Medical Systems Lunar Support. Also, call GE Medical Systems Lunar if
more than two failures occur in a one-week period.
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• If the patient is or might be pregnant, always contact the patient's physician before performing a scan.
• Remain in the room with the patient while a scan is in progress.
• Restrict access to the room to authorized personnel.
• Do not attempt to service any of the system's electrical components while the scan table is turned ON. High voltage is used to
produce x-rays.
• Radiation safety information is located in the safety and technical specifications manual you received with your system.
• To stop the scanner in an emergency, press the emergency stop button on the scan arm. DO NOT use the emergency stop
button to routinely abort a scan.
Software Installation
If loading software, you will be asked for your system number and feature code during the installation procedure. These numbers are
printed on the CD sleeve. Put the CD in the CD-ROM drive. When the Installation window appears, select the product software option.
Follow the screen prompts to install the program. The software will attempt to install validated Microsoft Security updates on all U.S.
computers before installing the product software. This may take up to 45 minutes. The Help disk (second disk) contains Help Topic
documents in PDF format for printing. You will need Adobe Acrobat Reader to open PDF documents.
Note: If the CD does not automatically start, select the My Computer icon on the desktop, select the CD-ROM drive, and select the
software installation icon.
Page 6 of 138
Introduction
Intended Use
The X-ray Bone Densitometer (DPX-Bravo, DPX-Duo, DPX-NT, Prodigy, iDXA) supports the following intended
use:
Provides an estimate of bone mineral density at various anatomical sites (Spine, Femur, Total Body, and Forearm).
These values can then be compared to an Adult reference population at the sole discretion of the physician.
Provides an assessment of relative fracture risk based on the patient's T-score value using the categories of
fracture risk defined by the World Health Organization (WHO).
Provides an assessment of 10-year fracture risk using WHO FRAX model.
Provides a standardized bone density report using data from the densitometer and physician- generated
assessments based on the patient's demographics, which can assist the physician in communicating scan results
to the patient and the patient's referring physician.
Optional Hand BMD software estimates the BMD at the hand.
Optional Dual-Energy Vertebral Assessment software provides an x-ray image of the spine for qualitative visual
assessment in order to identify vertebral deformations and estimate vertebral heights (morphometry).
Optional Orthopedic Hip Software estimates Periprosthetic BMD of an orthopedic hip implant
Optional Pediatric software option expands the range of bone densitometry reference data to include ages 5
through 19 years of age. The software provides a comparison of measure variables obtained by dual energy x-ray
absorptiometry to a database of reference values. These data can be used for comparative purposes at the sole
discretion of the physician.
Optional Body Composition software measures the regional and whole body bone mineral density (BMD), lean and
fat tissue mass and calculates other derivative values which can be displayed in user-defined statistical formats and
trends, and compared to reference populations at the sole discretion of the health care professional. Some of the
diseases/conditions for which body composition values are useful include chronic renal failure, anorexia nervosa,
obesity, AIDS/HIV and cystic fibrosis.
Optional Advanced Hip Assessment Software provides a measurement of hip axis length (HAL) and a mean value
of HAL for Caucasian and Asian females on femur images. It also calculates hip geometry val ues used to evaluate
the structural properties of the hip.
The DPX-Duo model has special mechanical features including stirrups, storage dra wers, and patient step to allow
use as an exam table when bone densitometry is disabled and the scan arm is rotated and locked parallel to the
table.
Device Descriptions
Structure
The X-Ray Bone Densitometer is made up of a scan arm, X-ray source assembly, and exam table. Each
model is described in more detail below. The scan arm control panels for each model are described in scan
arm control panel section.
Product Model
DPX Bravo and Duo
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The DPX Bravo and Duo models use pencil beam technology with a single-crystal detector and have a
compact table design to provide space efficiency (see images below).
The DPX Duo and the DPX Bravo come equipped with a scan arm that swings to the side of the table when not
in use when not in use as a densitometer and to facilitate patient loading. X-ray scanning is not possible until
the scan arm is locked into the scan position. A handle releases the scan arm interlock and allows operator to
move the scan arm for patient loading. Once the patient is loaded on the table, the operator moves the scan
arm back to scanning position and the arm locks into scan position. If a scan is attempted without the scan arm
locked into position, the following error will be displayed:
Error Description:
Swing arm not locked in scanning position. Please lock before continuing.
Corrective Action:
Please try again. If the problem persists, contact GE Lunar Support for assistance.
To retract the scan arm once the scan is completed, home the scan arm.
Pull the lever on the front of the scan arm towards you and push the scan arm to the left until it rests along the
back of the scanning table. The patient can then sit up and the table is free of obstruction.
The power switch is located at the head of the table. There is also a roll at the head of the table to store up to
21” x 3” (53.34 cm x 7.62 cm) exam paper. The table weight limit is 159 kg (350 pounds).
Swing Scan Arm
Scan Arm Control Panel
Exam Paper Roll
and Power Switch
(head of scanner-not shown)
Table Pad
DPX-Bravo
The DPX-Duo model also has mechanical features including stirrups, procedure drawer, storage drawers, and
patient step to allow use as an exam table when bone densitometry is disabled and the scan arm is rotated and
locked parallel to the table.
Page 8 of 138
Stirrups
Storage
Drawers
Patient Step
Table Pad
Swing Scan Arm (in scanning position)
Scan Arm Control Panel
Procedure Drawer
Exam Paper Roll
and Power Switch
(head of table--not
shown)
DPX-Duo
Product Model
DPX-Pro/NT/MD+
DPX-Pro/NT/MD+ models come in full and compact sizes and u se pencil beam technology with a single-crystal
channel NaI detector. The power switch is located on the lower front panel. The table weight limit is 136 kg
(300 lbs).
Scan Arm
Scan Arm
Control Panel
Table Pad
Power Switch
Page 9 of 138
DPX-NT
Product Model
Prodigy Pro/Primo/Advance
Prodigy models come in full and compact sizes and use fan beam technology with a 16-channel solid-state
detector. The power switch is located at the foot of the scanner. The table weight limit is 159 kg (350 lbs).
Scan Arm
Scan Arm
Control Panel
Table Pad
Power Switch
Prodigy Series
Product Model
iDXA
The Lunar iDXA uses fan beam technology with a 64-channel solid-state detector and is a scanner designed for
optimal image quality and supports patient's weights to 204 kg (450 lbs).
The power switch and exam paper roll is located at the head of the scanner.
Scan Arm Scan Arm Control Panel
Exam Paper Roll
and Power Switch
(head of scanner-
-not shown)
Table Pad
iDXA
Page 10 of 138
The Warning label identifies the location of possible pinch points. When the scanner arm is in motion, make sure
possible pinch point areas are clear at all times. The technologist must keep their feet away from the moving
carriage. Patient limbs must remain inside the boundaries of the table top to avoid a pinch between the scanner
arm and table.
Installation and Operation
Only individuals trained by GE Lunar should service or install the X-ray Bone Densitometer. Do not attempt to
service the X-ray Bone Densitometer. Please call GE service or your GE distributor for support.
Before operating X-ray Bone Densitometer, please review the Safety and Technical Specification manual.
X-ray Bone Densitometer Table Assembly
Below “Scanner” is equal to “X-ray Bone Densitometer”
Scanner Table
The Scanner table is to support the patient during a measurement or general examination. In addition, the X ray
source assembly and other electronics are contained inside the scanner table.
Scan Arm
The laser light, emitted from an aperture on the scanner arm, helps you locate the measurement start position.
Positioning switches let you move the scanner arm until the laser light is located at the correct start position.
The start position is different for each measurement type. The scanner arm on the DPX Duo and Bravo models
has a release and locking mechanism allowing the upper arm to swivel when the scanner is idle. The scanner
arm must be in the locked position over the scanner table to perform a measurement.
Scan arm control panel
Indicator Lights
Symbol Indicator Status (on)
Green (power) Power is supplied to the scanner table
Yellow (x-ray) X-ray tube assembly is supplying x-rays
Yellow (shutter) Shutter is open
Amber (laser) Laser is on
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Emergency stop button
Push the red emergency stop button to stop the scanner arm and immediately shut down x-rays in an
emergency. Do not use the emergency stop button to routinely stop the scanner during normal operation.
Positioning switches
The positioning switches move the scanner arm and detector to the measurement start position (the lase r
light indicates the position of the detector). The Back/Front switch moves the detector across the width of
the scanner table. The Left/Right switch moves the scanner arm down the length of the scanner table.
Swing arm position sensing switches (DPX Duo and Bravo models only)
The swing arm position sensing switches detect the locking status of the swing arm and the swing arm
latch. The swing arm latch must be locked and the swing arm must be in the locked position over the scan
table before a measurement can be performed. Release of the swing arm latch during a measurement will
abort the scan and the measurement data will be lost.
Scanner Start button (iDXA model only)
Once the patient has been positioned, the scan may be initiated from the green Start Scan button instead
of starting the scan from the enCORE software.
The enCORE software is used to operate the X-ray Bone Densitometer, the following chapters describe how
to use the enCORE software.
Note:
Daily Quality Assurance procedure
Complete quality assurance procedures daily. Make sure each QA procedure passes. Refer to Chapter 2
for detailed instructions. Make sure you save your printed results for future reference.
Archive image files
Archive your image files before you leave for the day. Refer to Chapter 5 for detailed instructions.
Shut down computer
At the end of the day, select Exit from the Main screen, and select Exit enCORE from the close window to
close the program. Then shut down the computer. Note: Do not turn off the scanner at the end of the day for
stationary systems.
Some of the functions of the enCORE are not available for all X-ray Bone Densitometer models.
Classifications
Protection against electric shock: Class I, Type B
Protection against water: IPX0
Operation mode: continuous operation with intermittent loading
The device can neither be used in flammable anesthetic mixture with air or non flammable anesthetic mixture
with oxygen or nitrous oxide.
Page 13 of 138
1.0 Screens and Toolbars
1.1 Overview
1.2 Main Screen
1.3 Analyze Screen
1.4 Directory Screen
1.5 New Measurement Screen
1.6 Quality Assurance Screen
1.7 Options
1.1 Overview
This section describes the screens and toolbars that are shown throughout the program. Screens and toolbars
give the options necessary to complete the procedures given in this online Operator's Manual.
1.1.1 Using screens
The screens provide information that lets you set up and complete measurements, analysis, and quality
assurance procedures. At the bottom of each screen, short descriptions of procedures and alternative
keystrokes are given to help you complete a procedure.
1.1.2 Using toolbars
The toolbars show icons that represent a "tool" which lets you complete a specific procedure. To view a short
description of a tool, hold the cursor stationary over the tool's icon.
1.1.3 Patient block
The Patient block is shown at the bottom of the Analyze, Directory, and New Measurement screens. The
Patient block gives information about the patient that is being analyzed, measured, or is currently selected at
the Directory screen. This is the same information you record in the Patient Information dialog box or select
from the Patient list before starting a new measurement.
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1.2 Main Screen
The Main screen is the first screen shown during the program. Select the options that follow to access different
areas of the program:
Help (F1)– select to
view additional
reference information
concerning the
operation of the
scanner.
Analyze (F3)–select to
open a patient
measurement for
analysis.
Quality Assurance
(F5)–select to access
the Quality Assurance
(QA) screen.
Exit (F8)–select to exit
the program from the
Main screen.
Measure (F2)–select to
start a patient
measurement.
Directory (F4)–select
to work with your
patient files and
complete database
maintenance
procedures.
Options (F6)–select to
change the User
Options and
Connectivity Options
default settings or to
view the Error log.
Page 15 of 138
1.2.1 Common Toolbar
The Common Toolbar is shown on all screens.
Icon Program Description
Measure
(F2 or Ctrl+M)
Analyze
(F3 or Ctrl+A)
Directory
(F4 or Ctrl+D)
QA
(F5 or Ctrl+Q)
Select to enter patient information or select a patient from
the database to start a new measurement.
Select to choose an image file for analysis.
Select to work with patient files and complete database
maintenance procedures.
Select to start a Quality Assurance (QA) test.
1.3 Analyze Screen
The Analyze screen is used to analyze image files. This screen is shown when you select Analyze from
the Common toolbar or the main screen or when you select an image file for analysis from the Dire ctory screen.
In addition, this screen is shown immediately after a patient measurement if the "Analyze When Done" option is
selected at the New Measurement screen.
1.3.1 Results Tabs
The data that follows is included in the Results tabs for image files:
• ScanCheck™ tab–provides a checklist of items to confirm and/or correct during analysis
• Densitometr y tab–provides BMD, BMC, and Area for each region of the scan
• Trend tab–provides results trending over time
• Information tab–gives info rmation related to the scan parameters.
• Composition tab- Total Body composition or Spine/Femur estimated composition
• AHA ta b–Femur Advanced Hip Assessment, gives information about hip axis length and hip strength
results.
• Morphometry tab. (Refer to LVA analysis or APVA analysis for more information.)
1.3.2 Analyze toolbar
Select tools from the Analyze toolbar to complete analysis procedures. Refer to specific scan types for
detailed analysis recommendations for each measurement site.
Page 16 of 138
General Analysis Tools
Icon Tool Description
Imaging
(Ctrl+I)
ROIs
(Ctrl+R)
Delete
ROI
Move ROI
Select to adjust contrast and zoom the image file.
Select to position ROIs during analysis. Move and size ROI as well
Use this option to delete an ROI
This tool allows an ROI to be moved
Rotate
ROI
Move
Vertex
Label
ROIs
Points
(F4)
Select this tool to turn an ROI in a circular motion
Select this tool to move a vertex of an ROI
May be used to label an ROI.
Select to verify that bone and tissue samples are correctly classified.
DO NOT adjust point typing unless the program made obvious
errors.
This option is shown after you select Points. Select Reset to delete
changes you made to point typing.
Use this option to copy ROIs from an existing image file to the
current image file.
This option is shown after you select ROIs or Points. Select Cancel
to delete changes you made to the image file.
This option is shown after you select ROIs or Points. Select Results
to view analysis results for the image file.
Select to create analysis reports for the image file.
Reset
(F3)
Copy
(F5)
Cancel
(Esc)
Results
(Enter)
Report
(Ctrl+Shif
t+P)
Save
(Ctrl+S)
Close
(Esc)
Select to save the image file and data to the patient database.
Select to close the image file.
ROI Tools
Icon ROI Tool Description
ROIs
(Ctrl+R)
Delete ROI
Select to position ROIs during analysis. Move and size ROI as well
Use this option to delete an ROI
Move ROI
This tool allows an ROI to be moved
Rotate ROI
Select this tool to turn an ROI in a circular motion
Add ROI
AP Spine
Move
Vertex
Label ROIs
Select this tool to move a vertex of an ROI
May be used to label an ROI.
Cancel
(Esc)
This option is shown after you select ROIs or Points. Select Cancel
to delete changes you made to the image file.
Page 17 of 138
Imaging Tools
Icon Image
Tool
Imaging
(Ctrl+I)
Points
(F4)
Reset
(F3)
Copy
(F5)
Cancel
(Esc)
Results
(Enter)
Report
(Ctrl+Shif
t+P)
Save
(Ctrl+S)
Close
(Esc)
Description
Select to adjust contrast and magnify the image file.
Select to verify that bone and tissue samples are correctly
classified. DO NOT adjust point typing unless the program made
obvious errors.
This option is shown after you select Points. Select Reset to delete
changes you made to point typing.
Use this option to copy ROIs from an existing image file to the
current image file.
This option is shown after you select ROIs or Points. Select Cancel
to delete changes you made to the image file.
This option is shown after you select ROIs or Points. Select
Results to view analysis results for the image file.
Select to create analysis reports for the image file.
Select to save the image file and data to the patient database.
Select to close the image file.
1.4 Directory Screen
The Directory screen is shown when you select Directory from the Main screen or from the
Common toolbar. This screen lists the patient files and images that are stored in the active database.
The Directory Screen is divided into four areas:
1) Search Option
2) Patient List
3) Image List
4) Database Sidebar
Page 18 of 138
1.4.1 Search
Use the Search option to quickly locate a patient record and image file in a large database. The Search
option is located near the top of the Directory screen.
1. Select the database field to use in the search (1).
2. Enter the patient information to use in the search (2).
3. Select Search. The patient record and associated image files are shown in the Patient and
Image lists.
The All Patients button clears the search criteria and lists all the patients in the database.
1.4.2 Patient and Image lists
Use the Patient and Image lists to select a patient to measure or an image file to analyze. Double-click
on a highlighted patient record to start a new measurement, or double-click on a highlighted image file to
analyze the image file.
• Patient list: The Patient list shows patient records in the database according to the patient’s
last name, first name, and ID. The patient information for the selected patient is also shown in the
Patient block at the bottom of the Directory, New Measurement, and Analyze screens.
• Image list: The Image list shows the measurement images recorded for a patient according to
measurement type, date measured, date analyzed, file name, and label. The image list may
include exams made up of multiple measurement images. Assign a status or notes to an exam by
right-clicking on the exam in the directory and selecting Change Status or Notes. Choose from a
list of 5 status types:
IconStatus
No IconNot Reviewed
Pending Review
Rejected
Approved
Closed
Enable Exam Status/notes features and set defaults, actions when sending a report, and status
colors under Tools/User Options/Directory/Directory Status.
1.4.3 Database Sidebar
The Database sidebar shows the database that is currently being used (active database) and the
working path of that directory. The Active Database panel indicates the location of the database and the
drive used for archiving patient studies. Most systems will use a hard drive location for the working path
Page 19 of 138
and a removable media drive for the archive drive. This information is always available on the Directory
screen.
All Databases are presented on the database sidebar. Creating more than one database is especially
useful for customers performing research studies. The database currently active is highlighted in the
available databases list. To change databases, highlight the desired database from the list.
The lower portion of the Database sidebar shows all available databases, and database maintenance
options. If you do not see this information, select More >>.
Database Maintenance tools provide the ability to edit, create, rebuild or compress the database. Refer
to Edit Database, Compress Database, or Rebuild Database, New Database, for additional
information.
1.4.4 Directory toolbar
The Directory toolbar displays options that let you work with your patient files.
Icon Tool Description
1.4.5 Help Text
Help Text is located in the lower left corner of every screen in enCORE™ software. The Help Text
provides keystroke functionality, current operation of the system, and instructions for the software user.
Edit
Patient
(Ctrl+E)
New
(Ctrl+N)
Delete
(Del)
Move
(F4)
Archive
(F5)
Close
(Esc)
Select to edit Primary, Secondary, and Additional data for the
highlighted patient record in the Patient list. The edits are not
saved to image files that have already been acquired for the
patient. Use the Edit Image tool to edit information for individual
image files.
Enter a new patient that is not in the patient database.
Select to delete the highlighted patient, exam, or image file. You
can delete the patient, exam, or image record(s), or the record(s)
and related exam or image file(s).
Select to move exam to another patient record.
Select to copy or move exam files from the computer hard
drive to an archive location. You can archive single exams,
single patients, or all patients. You can also archive all exams
for all patients found during a search.
Select to exit the Directory screen.
1.5 New Measurement Screen
The New Measurement screen is used to complete a new measurement
for an existing patient (recorded in the database) or for a new patient. This
screen is shown or when you select Measure from the Common toolbar.
Page 20 of 138
A list of applicable measurement sites is presented on the New Measurement screen. The
user may select the measurement site from the Exam List or highlight the measurement
region on the corresponding Skeletal Image.
1.5.1 "Analyze When Done" option
Select the "Analyze When Done" option if you want to analyze the image file after the measurement:
the Analyze screen is shown immediately after the measurement is complete.
1.5.2 Patient and laser position graphic
When you select Position from the New Measurement toolbar, a graphic is shown
which illustrates the correct patient and laser position for the measurement type. (The
laser is not used for total body measurements.) Review Measurement Procedure for
further information on the appropriate laser starting position.
Page 21 of 138
1.5.3 New Measurement Toolbar
Icon Tool Description
Select to move the scanner arm to the Home position.
This option is shown after you select Position. Select Set Up to return to the set
up screen and change the settings for the measurement. In addition, use this
option to select a different measurement type and start a new measurement.
This option is shown after you complete an exam. Select Repeat to reposition the
image and repeat the measurement.
Select to stop the measurement and save, continue (resume), or start a new
measurement.
This option is shown after you select Position. Select Start to start the
measurement.
Select to move the scanner arm to the start position; then, use the controls on the
scanner arm to position the laser light for the measurement.
Select to exit the New Measurement screen.
Home
(F3)
Set Up
(F6)
Repeat
(F4)
Abort
(F5)
Start
(F7)
Position
(F7)
Close
(F8)
1.5.4 Home scanner arm
Select Home Scanner (Ctrl + H) from the Measure menu to move the scanner arm to the home position
from any screen in the program.
Note: If the scan arm has been set to Home at the foot end of the table, and the foam leg block
is used for AP Spine measurement, a warning will appear. Please remove patient positioner.
1.5.5 Park Scanner
Select Park Scanner (Ctrl+K) from the Measure menu to move the scan arm on a mobile system to
the foot of the table for lockdown.
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1.6 Quality Assurance screen
The Quality Assurance screen is used to complete a Quality Assurance (QA) procedure. This screen is
shown when you select Quality Assurance from the Main screen or from the Common toolbar.
1.6.1 Quality Assurance Toolbar
Icon Tool Description
Trend
1.6.1 System Status
The Quality Assurance screen indicates the current operating status of the system. The System Status
should indicate 'System is ready to measure patients' before performing patient measurements to ensure
accurate results.
(F2)
Setting
(F3)
Report
(Ctrl+P
Abort
(F5)
Start
(Enter)
Close
(Esc)
QA trending history is automatically shown after a QA procedure
(unless you have changed this behavior in the User Options). If the
trending history is not shown, you can select Trend to view the QA
trending history after you complete the QA procedure.
Select to change information for trending.
s
Select to create a report of the QA results.
)
Select to stop the QA test.
Select to start the QA procedure.
Select to exit the QA screen.
Refer to the topic Quality Assurance for instructions on performing a quality assurance procedure.
Page 23 of 138
1.7 Options
elect Options from the Main screen or select the Tools menu to access User Options, Connectivity
S
Options, and the Error Log.
7.1 User Options
1.
User Options le
Select Options
Main screen andct User Options.
hange the necessary default setting(s).
C
Select OK to save changes. If you do not
User OptionsDescription
t you set and change the program default settings.
(F6) from the
sele
O
R
elect the Tools menu and select User
S
Options.
want to save changes, select Cancel.
Systems
Directory
Analyze
Results Display
Trending
Reference
Data
Image
ScanCheck™
Reports
This tab lists scanner System ID number and Feature code. User Interface Options,
Exam File Options and ISCD settings.If the Automatic return to Directory option
is selected, you will return to the Directory screen instead of the main screen when
you close windows. The Auxiliary Workstation option is shown if you purchased th
e
Multi-User Database kit. Select this option to prevent the workstation from performing
QA procedures or patient measurements. The Number of Open Exams option lets
you choose how many exams can be opened for analysis at the same time.
Use this option to determine how information is sorted in the Patient and Exam/Image
lists and to configure default ethnicity. You can also choose to expand exams by
default.
Enable/Disable analysis features for all scan types.
ation to use and the type of You can also choose the type of Small Animal calibr
forearm calibration to use for BMD results.
The Results Display tab lets you change the appearance of graphs; Standard, WHO
or JSBMR. You can select the information shown in the results tables, select the
composition results to show, and set the Morphometry SD cutoffs.
hs and in Use this option to select the type of information shown on trending grap
trending tables, and configure the software to flag significant change. The
integrated Precision Calculator Tool is also located within this option.
Use this option to select a reference population and show the reference sources on
the screen and the results reports. Use of the reference population comparisons is
fully at the discretion of the clinician. The program does NOT show the
comparative values when shipped from GE Medical Systems LUNAR.
Use this option to set the colors of ROIs, bone edges, and point typed areas of an
image file during analysis, and enable optimal image magnification.
Use this option to select the ScanCheck™ checks that will be included on the
ScanCheck™ tab for AP Spine, Femur, Forearm and Total Body analysis.
Select Patient ID types and Report background color. Under Dexa Report
Configurations select to report on Selected Region Only, Trend Multiple Results,
Invert Image, GE Healthcare Logo, Report Dialog, sBMD Footnote, Comments, Show
Vertebral Height T-Scores, and Show Ethnicity.
Change the Report Center Defaults- where the report will be sent, the types of
reports that will be created, regions to be reported on, and the number of copies f or
each page of the report.
User Information Includes the site name, address, phone numbers, web site and
email information.
Page 24 of 138
Morphometry Report Options are configured here.
Composer
QA
Measure
2. Systems Tab
The scanner's System ID is unique. The System ID is needed for support.
The feature code is only compatible with your system ID. It enables the purchased options in your
software. If you wish to try out a feature before buying it, contact your sales person for a trial feature
code.
IconFunctionChoices
Configure the file type to output from Composer. Use the Spelling Options to
customize spell checker functions.
Use this option to change the default setting for printing QA reports.
Select Automatic Printing: Daily QA to have the program print a QA report each
time you complete a quality assurance procedure.
Select Automatic Return to Trend Screen to automatically return to the trend
screen once a QA has completed.
Use this option to set the default settings used during a measurement.
Save prompt at end of scan (select this option to show a message after every
measurement that asks you if you want to save the measurement), Allow continue
after SmartScan abort, Use Old Positioner for Lateral Measurements (Densitometry
and Morphometry Only), Show Previous Scan, Allow Scanner Start Button to
initiate a Measurement, LVA reverse (For LVA, scan patient facing foot of table),
Default to seated patient for forearm and hand scans, Pause between Femur
scans, OneScan™ (no Foam Leg Block positioner for AP Spine scans), or Pause
between AP Spine and Femur Scans.
Additional
Feature
Codes
User
Interface
Options
Enter Trial and IRB feature codes. Expiration dates will display below
each feature code.
Automatic return to Directory will return your display back to the
Directory scan after an acquisition is complete.
HIPAA Secure View hides patients in the directory view.
Play Multimedia Sounds option.
Auxiliary Workstation for use with MUDBA setups. The Auxiliary Workstation option is shown if you purchased the Multi-User
Database kit. Select this option to prevent the workstation from
performing QA procedures or patient measurements. The Number of Open Exams option lets you choose how many exams can be opened
for analysis at the same time.
HIPAA Secure Filename On: pat_z8gutml1w.dff
HIPAA Secure Filename Off: SmithJf0m485s.dff
Compress Exam Files to conserve space for high resolution images such
as iDXA scans.
Exam
File
Options
Encrypt Exam Files
Page 25 of 138
ISCD Official
Position
Acceptance
Select "Yes" to accept the settings recommended by ISCD.
Review current ISCD Positions from the link in the enCORE software.
FRAX
Check box(s) for ‘Enable FRAX’ and/or 'Apply US NOF/ISCD FRAX
recommendations'
Review the NOF/ISCD FRAX Implementation Guide from the link in the
enCORE software for details.
3. Directory Tab
Icon Function Choices
Patient Sort
Options
Exam Sort
Options
Patient List
Columns
Directory
Rules &
Defaults
Sort by First name, Last name or Patient ID
Ascending or Descending
Sort by Measurement, Date Measured, Date Analyzed, File Name,
Archive, Import, or Status
Ascending or Descending
Choose Patient Third column contents:
Patient ID, Facility ID, Department ID or Exam ID
When duplicate patients occur follow Duplicate Patient Match Rule.
Select Default Gender, Default Ethnicity, Duplicate Patient Match
Rule:
Use Patient Last Name & Birthdate or Use Patient ID.
Checkbox Option to Expand Exams view in the directory by Default.
Enable Exam Status/notes features. Also, set defaults, actions when
sending a report, and status colors.
Directory
Status
Page 26 of 138
4. Analyze Tab
Icon Function Choices to Appear in the Results
Femur Analysis
Options
Total Body
Analysis
Options
Forearm
AHA: Hip Axis Length, Upper Neck region, Lower Neck region,
Calculate Hip Strength results and Hip Geometry results
Calculate Left and Right results
Calculate Total Body Less Head (TBLH) result (used for Pediatric)
Forearm Calibration: Lunar, SPA or Comac
Analysis
Options
Orthopedic
Analysis Options
Small
Standard Gruen zones or Extended Gruen zones
Calibration: Chemical/Ash or Lunar
Animal/Research
Options
Morphometry
Options
Finish Button
Options
Estimated Total
Body
Create ROIs on Request (Recommended)
Automatically create Reference ROIs when needed
Automatically create ROIs for T8-L4 when opening exam
Finish Button On/Off
Operation to perform: Send Report(s) to destinations, Save Exam and
Close Exam
Estimate % Body Fat from Spine/Femur scan On or Off
5. Results Display Tab
Icon Function Choices
Reference Graph
Options
Densitometry Table
Options
Young Adult (YA) Bars: Standard SD, WHO or JSBMR
Show Y2-axis values
Age-Matched (AM) Bars appearance and SD applied
Young Adult (YA) in % or T-Score, Age-Matched (AM) in % or
T-Score.
Show BMC, Show Area, Show Diagnostic Category Icons
and Show All DualFemur Regions
Composition Options
Morphometry
Reference Options
BMI Options
Z-Score or Centile Results
Metric or English measurement system
Reference in Z-Score or Percent Height Reduction
Configuration for assigning deformity Mild, Moderate and Severe
BMI cut-off points assigned per WHO or Custom
BMI On or Off
Page 27 of 138
6. Trending Tab
Icon Function Choices
Trend Graph Options
Trend Table Options
Precision Calculator
Select Line Pattern, Densitometry Trend Graph, Morphometry
Trend Graph, or Composition Trend Graph settings.
Flag Significant Change On or Off. Configure how trending is
to be displayed.
A complete Precision Tool to determine Least Significant
Change (LSC) for scan types: AP Spine, Femur, DualFemur,
Choice of Measures
to Trend On
Total Body, Forearm, Hand and Lateral Spine
For Densitometry Pediatric, Densitometry Adult,
Morphometry, Composition Y1 axis, Composition Y2 axis,
Estimated Composition Trend, and Pediatric Growth Trend.
7. Reference Data Tab
Function Choices
Choice of Reference
Population
Asia, Australia (Combined Geelong/Lunar), Australia (Geelong),
Australia (Lunar), Brazil, China, Egypt, Finland, France, Germany,
Indonesia, Italy, Japan, Korea, Mexico, Middle East, Philippine,
Spain, Tunisia, Turkey, UK, USA (Combined BMDCS/Lunar), USA
(Combined NHANES/BMDCS/Lunar), USA (Combined
NHANES/Lunar), USA (Lunar)
Scan Site
AP Spine, Femur, LVA, Total Body, Forearm or Lateral Spine
Choice of Default Region
for Each Scan Type
Choose the region that will be the default region for analysis for each
scan type
8. Image Tab
Icon Function Choices
Image Options
On or Off for: Interpolation, Invert Image, Show bone edges, Show
Artifacts, Size Image to Fit screen on Open.
Display On or Off: Two Total Body images, Dual Femur Images
top/bottom, Composition Image for Total Body.
Image Colors
Change image colors for ROIs, Zoom Region/Masks, Bone Edges,
Point Typing, Markers and Artifacts
Image Export
Options
Morphometry
Wizard Options
JPG Quality set
LVA Wizard Zoom Margin set in millimeters
9. ScanCheck™ Tab
Select the ScanCheck™ items that you would like to show in the analysis screen.
ScanCheck™ On or Off
Page 28 of 138
Set ScanCheck™ view to appear first when analyzing
Include ScanCheck™ indications on report.(bottom of screen)
Show AP Spine
Detect the following problems
Alert
Measure
Technique
Correct scan mode used?
Analysis
Technique
AP Spine alignment reasonably straight?
Optimal contrast and brightness set?
ROIs properly defined?
L1-L4 labeled correctly?
Tissue region properly defined?
Bone edges properly defined?
Results consistent with previous scan?
Analysis region free of unusual high density bone?
Anatomy
Issues
Free of unusual T-Score variation?
Free of unusual curvature?
AP Spine - Comments:
Selected Region Only, Trend Multiple Results Only, Invert Image,
Show GE Healthcare Logo, Show Report Dialog, sBMD Footnote
on, Show Comments, Show Vertebral Height T-Score, Show
Ethnicity
Report Center
Defaults
Opens the Report Center Window for configuration. See
Report Center Chapter for more information.
Report Regions
Select the regions desired for each scan type. "Selected
Region" will report the region currently highlighted on screen
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