Microlife BP3NQ1-4X Instruction Manual
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Blood
Pressure
Monitor
INSTRUCTION MANUAL
QUESTIONS? 1-800-568-4147
Model # BP3NQ1-4X
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Automatic Blood Pressure Monitor - Instruction Manual
Table of contents
1. Introduction
1.1. Features of your blood pressure monitor
1.2. Important information about self measurement
2. Important Information on Blood Pressure and its Measurement
2.1. How does high/low blood pressure arise?
2.2. Which values are normal?
2.3. What can be done if regular high/low values are obtained?
3. Components of your Blood Pressure Monitor
4. Using your Monitor for the First Time
4.1. Installing the batteries
4.2. Setting the date and time
4.3. Cuff tube connection
4.4. Cuff holder attachment
4.5 Select the mode: Standard or Averaging Mode
4.6 Select the user
4.7 Microlife Averaging Mode
5. Measurement Procedure
5.1. Before measurement
5.2. Common sources of error
5.3. Fitting the cuff
5.4. Measuring procedure
5.5. Irregular Heartbeat Detector
5.6. Traffic Light Indicator
5.7. Memory - Displaying the last 120 measurements
5.8. Discontinuing a measurement
5.9. Setting the Medication Reminder
5.10. Battery Charge Indicator
5.11. Using the AC Adapter
6. Software Functions
6.1. Installation and data transmission
7. Error Messages/Troubleshooting
8. Care and Maintenance
8.1. Accuracy test
9. Warranty
10. Certifications
11. Technical Specifications
12. Contacts for Support
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1. Introduction
1.1. Features of your Automatic Blood Pressure Monitor
Your blood pressure monitor with Microlife Averaging Mode, Irregular Heartbeat
Detection, and PC Link Blood Pressure Analyzer Software is a fully automatic digital
blood pressure measuring device for use by adults on the upper arm at home or in
your doctor’s/nurse’s office. It enables very fast and reliable measurement of systolic
and diastolic blood pressure as well as pulse through the oscillometric method. This
device offers clinically proven accuracy and has been designed to be user friendly.
Before using, please read this instruction manual carefully and then keep it in a safe
place. Please contact your doctor for further questions on the subject of blood pressure and its measurement.
Attention!
1.2. Important information about self-measurement
• Self-measurement means control, not diagnosis or treatment. Unusual values
must always be discussed with your doctor. Under no circumstances should
you alter the dosages of any drugs prescribed by your doctor.
• The pulse display is not suitable for checking the frequency of heart pacemakers!
• In cases of irregular heartbeat, measurements made with this instrument should
only be evaluated after consultation with your doctor.
Electromagnetic interference:
The device contains sensitive electronic components. Avoid strong electrical or electromagnetic fields in the direct vicinity of the device (e.g. mobile telephones,
microwave ovens). These can lead to temporary impairment of the measuring accuracy.
2. Important Information on Blood Pressure and its Measurement
2.1. How does high or low blood pressure arise?
Your level of blood pressure is determined in the circulatory center of the brain and
adjusts to a variety of situations through feedback from the nervous system. To adjust
blood pressure, the strength and speed of the heart (Pulse), as well as the width of
circulatory blood vessels is altered. Blood vessel width is controlled by fine muscles
in the blood vessel walls.
Your level of arterial blood pressure changes periodically during heart activity: During
the “blood ejection” (Systole) the value is highest (systolic blood pressure value). At
the end of the heart’s “rest period” (Diastole) pressure is lowest (diastolic blood pressure value).
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Blood pressure values must lie within certain normal ranges in order to prevent particular diseases.
2.2. Which values are normal?
Blood pressure is very high if your diastolic pressure is above 100 mmHg and/or
your systolic blood pressure is over 160 mmHg, while at rest. In this case,
please consult your physician immediately. Long-term values at this level endanger your health due to continual damage to the blood vessels in your body.
If your systolic blood pressure values are between 140 mmHg and 159mmHg
and/or the diastolic blood pressure values between 90 mmHg and 99mmHg,
consult your physician. Regular self-checks are necessary.
If you have blood pressure values that are too low, (i.e., systolic values under
105mmHg and/or diastolic values under 60 mmHg), consult your physician.
Even with normal blood pressure values, a regular self-check with your blood
pressure monitor is recommended. You can detect possible changes in your values early and react appropriately.
If you are undergoing medical treatment to control your blood pressure, keep a
record of values along with time of day and date. Show these values to your
physician. Never use the results of your measurements to independently
alter the drug doses prescribed by your physician.
Which values are normal?
The following standards for assessing high blood pressure in adults have been
established by the U.S. National Institutes of Health JNC7, 2003.
Category Systolic Diastolic
(mmHg) (mmHg)
Normal <120 and <80
Pre-Hypertension 120-139 or 80-89
Hypertension
Stage 1 Hypertension 140-159 or 90-99
Stage 2 Hypertension
≥160 or ≥100
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+ Further information
• If your values are mostly normal under resting conditions but exceptionally high
under conditions of physical or psychological stress, it is possible that you are
suffering from so-called “labile hypertension.” Consult your doctor.
• Correctly measured diastolic blood pressure values above 120mmHg
require immediate medical treatment.
2.3. What can be done if regular high or low values are obtained?
a) Consult your doctor.
b) Increased blood pressure values (various forms of hypertension) are associated
with considerable health risks over time. Arterial blood vessels in your body are
endangered due to constriction caused by deposits in the vessel walls
(Arteriosclerosis). A deficient supply of blood to important organs (heart, brain,
muscles) can result from arteriosclerosis. Furthermore, the heart will become
structurally damaged with increased blood pressure values.
c) There are many different causes of high blood pressure. We differentiate
between the common primary (essential) hypertension, and secondary hypertension. The latter group can be ascribed to specific organ malfunctions. Please consult your doctor for information about the possible origins of your own increased
blood pressure values.
d) There are measures which you can take to reduce and even prevent high blood
pressure. These measures must be permanent lifestyle changes.
A) Eating habits
• Strive for a normal weight corresponding to your age. See your doctor for your
ideal weight.
• Avoid excessive consumption of common salt.
• Avoid fatty foods.
B) Previous illnesses
• Consistently follow all medical instructions for treating illness such as:
• Diabetes (Diabetes mellitus or sugar diabetes)
• Fat metabolism disorder
• Gout
C) Habits
• Give up smoking completely.
• Drink only moderate amounts of alcohol.
• Restrict your caffeine consumption (coffee, tea, chocolate).
MAM- Microlife
Averaging Mode
Switch
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D) Your physical condition
• After a medical examination, and with your doctor’s approval and
direction; exercise.
• Choose sports which require stamina and avoid those which require strength.
• Avoid reaching the limit of your performance.
• With previous illnesses and/or an age of over 40 years, please consult
your doctor before beginning your exercise routine. Speak with your doctor
regarding the type and extent of exercise that is appropriate for you.
3. Components of your blood pressure monitor
a) Measuring unit
Cuff Socket
Time/Date
Button
START/STOP
Button
Memory Recall
Button
Hypertension
Indicator
AC Adapter Port
Cuff Storage
USB Port
Kickstand
b) Wide Range Cuff:
For arm circumference 22cm - 42 cm (8.7” - 16.5”)
If you ever need to buy a replacement cuff, use only
Microlife brand
cuffs. Call Microlife customer service at
1-800-568-4147 for information.
Please Note:
Arm circumference should be measured with a measuring tape in the middle of the
relaxed upper arm. Do not force cuff connection into the opening. Make sure the cuff
connection is not pushed into the AC adapter port. If the cuff is too small, call 1-800568-4147 for further information. You may prefer to use one of our wrist type monitors.
4. Using your Monitor for the First Time
4.1 Installing the batteries
Insert batteries immediately after unpacking the unit. The
battery compartment is located on the bottom of the device.
a) Remove cover.
b) Insert the batteries (4 x size AA 1,5V),
observing the indicated polarity.
c) If a battery warning appears in the display,
the batteries are discharged and must be
replaced.
4.2 Setting the date and time
1. After the new batteries are activated, the year number
flashes in the display. You can advance the year by
pressing the "M" button. To confirm and then set the
month, press the time button.
2. You can now set the month using the “M” button. To
confirm and then set the day, press the time button.
3. Please follow the instructions above to set the day, hour
and minutes.
4. Once you have set the last minute and pressed the time
button, the date and time are set and the time is displayed.
5. If you want to change the date and time, press and hold
the time button down for approx. 3 seconds until the
user icon starts to flash. Release and press the time
button once more and the year will begin flashing. Now
you can enter the new values as described above.
Memory
Button
Time/Date
Button
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4.3. Cuff tube connection
Insert the cuff tube into the opening on
the side of the monitor indicated by the
drawing of a cuff.
4.4. Cuff holder attachment
Attach the cuff holder to the bottom of the
monitor by inserting the tabs into the slots provided.
4.5. Select the Measuring Mode: Standard or
Microlife Averaging Mode
This instrument enables you to select either standard (single
measurement) or Microlife Averaging Mode (automatic triple
measurement). To select standard mode, push the switch on
the side of the instrument downward to Position "1“ and to
select Averaging mode, upwards to Position “3”. If you select
1 then only one measurement will be taken. If you select 3,
the unit will inflate and deflate three times resulting in one
final average measurement.
4.6. Select the User
This blood pressure monitor is designed to store 120 measurements for each of two users. In addition, there is a guest
mode in which results are not stored. Before taking a measurement, be certain that the correct user has been selected.
a) With the unit off, press and release the TIME button to
cycle through users (“1,”2,”or guest mode).
b) Press the START button to make your selection.
4.6. Microlife Averaging Mode Technology
• In Microlife Averaging Mode, three measurements are auto matically taken in suc-
cession and the result then automatically analyzed and displayed. Because your
blood pressure constantly fluctuates, a result determined in this way is more reliable
than one produced by a single measurement.
• After pressing the Start/Stop button the selected Microlife Averaging Mode
appears in the display as the symbol.
• The bottom, right hand section of the display shows a 1, 2 or 3 to indicate which of
the 3 measurements is currently being taken.
1 3
Guest Mode
5. Measurement Procedure
Please note: You should always be seated before and during measurement.
5.1. Before measurement:
• Avoid eating and smoking as well as all forms of exertion directly before
measurement. These factors influence the measurement result. Find time to
relax by sitting in an armchair in a quiet atmosphere for about ten minutes
before taking a measurement.
• Remove any garment that fits closely to your upper arm.
• Always measure on the same arm (normally left).
• Always compare measurements taken at the same time of day, since blood
pressure changes during the course of the day, as much as 20-40 mmHg.
5.2. Common sources of error:
Note: Comparable blood pressure measurements always require the
same conditions! Conditions should always be quiet.
• All efforts by the user to support the arm can increase blood pressure. Make
sure you are in a comfortable, relaxed position and do not flex any of the
muscles in the measurement arm during the measurement. Use a cushion for
support if necessary.
• If the arm artery lies considerably lower or higher than the heart, an erroneously high or low blood pressure will be measured! Each 15cm (6 inch) difference in height between your heart and the cuff results in a measurement
error of 10 mmHg!
• Cuffs that are too narrow or too short result in false measurement values.
Selecting the correct cuff is extremely important. Cuff size is dependent upon
the circumference of the arm (measured in the center). The permissible range
is printed on the cuff. If this is not suitable for your use, please call 1-800568-4147.
Note: Only use clinically approved Microlife cuffs!
•
A loose cuff or a sideways protruding air pocket causes false measurement values.
• With repeated measurements, blood accumulates in the arm, which can lead
to false results. Consecutive blood pressure measurements should be repeated after a 1 minute pause or after your arm has been held up in order to allow
the accumulated blood to flow away.
If you decide to take your Averaging Mode measurement again, be sure to
wait at least one minute beforehand.
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5.3. Fitting the Cuff
a) The cuff is pre-formed for easier use.
Remove tight or bulky clothing from your
upper arm.
b) Wrap the cuff around your upper left
arm. The rubber tube should be on the
inside of your arm extending downward
to your hand. Make certain the cuff lies
approximately 1/2” to 3/4” (1 to 2 cm)
above the elbow.
Important! The red strip on the edge of
the cuff (Artery Mark) must lie over the
artery which runs down the inner side of
the arm.
TIP: Align red artery mark to pinky finger.
c) To secure the cuff, wrap it around your
arm and press the velcro together.
d) There should be little free space
between the arm and the cuff. You
should able to fit 2 fingers between your
arm and the cuff. Clothing must not
restrict the arm. Any piece of clothing
which does, must be removed. Cuffs
that don’t fit properly result in false
measurement values. Measure your arm
circumference if you are not sure of
proper fit.
e) Lay your arm on a table (palm upward)
so the cuff is at the same height as your
heart. Make sure the tube is not kinked.
f) Remain seated quietly for at least two
minutes before you begin the measurement.
½
”-¾”
8.7” - 16.5”
Comment:
If it is not possible to fit the cuff to your left arm, it can
also be placed on your right arm. However, all measurements should be made using the same arm.
Comparable blood pressure measurements always
require the same conditions (Relax for several minutes
before taking a measurement).
5.4. Measuring procedure
After the cuff has been appropriately positioned on the
arm and connected to the blood pressure monitor, the
measurement can begin:
a) Press the START/STOP button. The pump
begins to inflate the cuff. In the display, the
increasing cuff pressure is continually displayed.
b) After automatically reaching an individual pressure,
the pump stops and the pressure slowly falls. The
cuff pressure is displayed during the measurement.
c) When the device has detected your pulse, the heart
symbol in the display begins to blink.
d) When the measurement has been concluded, a long
beep tone sounds. The measured systolic and diastolic blood pressure values, as well as the pulse are
now displayed.
e) The appearance of this symbol signifies that an
irregular heartbeat was detected. This indicator is
only a caution. It is important that you be relaxed,
remain still and do not talk during measurements.
NOTE: We recommend contacting your physician if
you see this indicator frequently.
f) The measurement results are displayed until you
switch the device off. If no button is pressed for 1
minute, the device switches off automatically.
Cuff on
right arm
Pumping
Pressure
Measuring
Measurement
complete
Systolic
Diastolic
Pulse
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5.5. Irregular Heartbeat Detector
This symbol indicates that certain pulse irregularities were detected during the measurement. In this
case, the result may deviate from your normal basal
blood pressure – repeat the measurement. In most
cases, this is no cause for concern. However, if the symbol appears on a regular basis (e.g. several times a
week with measurements taken daily), we advise you to
tell your doctor. Please show your doctor the following
explanation:
Information for the doctor on frequent appearance of the Irregular
Heartbeat Symbol
This instrument is an oscillometric blood pressure monitor device that also analyzes pulse frequency during measurement. The instrument is clinically tested.
If pulse irregularities occur during measurement, the irregular heartbeat symbol
is displayed after the measurement. If the symbol appears more frequently (e.g.
several times per week on measurements performed daily) or if it suddenly
appears more often than usual, we recommend the patient to seek medical
advice.
The instrument does not replace a cardiac examination, but serves to detect
pulse irregularities at an early stage.
5.6. Traffic Light Indicator
The bars on the left-hand edge of the display show you the range within which
the indicated blood pressure value lies. Depending on the height of the bar, the
readout value is either within the normal (green), borderline (yellow) or danger
(orange) range.
The classification is based on standards established by the National Institutes
of Health JNC7, 2003.
Refer to the chart in section 2.2 of this instruction manual for details of the classifications.
The traffic light bar raises according to your measurement.
• If your measurement has 1-2 bars, your measurement is in the green zone, or
“Normal” according to NIH standards.
• If your measurement has three bars, it is in the yellow zone, or “Pre-Hypertension”
according to NIH standards.
• If your measurement has four bars, it is in the light orange “Stage 1 Hypertension”
zone.
• If your measurement has 5-6 bars, it is in the dark orange “Stage 2 Hypertension”
zone.
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Indication of a
“Normal” Blood
Pressure
Indication of a “Pre-
Hypertension” Blood
Pressure
Indication of a “Stage 1
Hypertension” Blood
Pressure
Indication of a “Stage 2
Hypertension” Blood
Pressure
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5.7. Memory – Displaying the last 120 Measurements
At the end of a measurement, this monitor automatically stores each result with date
and time. This unit stores 120 memories for each of 2 users.
Viewing the stored values
With the unit off, press the "M" button. The display first shows "A", then shows an
average of all measurements stored in the unit. Please note: Measurements for
each user are averaged and stored separately. Be certain that you are viewing the measurements for the correct user.
Pressing the "M" button again displays the previous value. To view a particular stored
memory, press and hold the “M” button to scroll to that stored reading.
Memory full
When the memory has stored 120 results a new measured value is stored by overwriting the oldest value.
Clear all values
If you are sure that you want to permanently remove all stored values, hold down the "M" button (the instrument must have been
switched off beforehand) until "CL" appears and then release the
button. If you do not want to clear the values, press the
START/STOP button. To permanently clear the memory, press the
"M" button while "CL" is flashing.
Individual values cannot be cleared.
5.8. Discontinuing a Measurement
If it is necessary to interrupt a blood pressure measurement for any
reason (e.g the patient feels unwell), the START/STOP button can
be pressed at any time. The device then immediately lowers the
cuff pressure automatically.
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