Microlife BP3NC1-1W Instruction Manual
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Deluxe Wrist Blood Pressure Monitor
Instruction Manual
Table of contents
1. Introduction
1.1. Features of the Wrist Blood Pressure Monitor
1.2. Important information about self-measurement
2. Important information about 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?
2.4. Irregular Heartbeat Detection
3. Components of your blood pressure monitor
4. Using your blood pressure monitor for the first time
4.1. Activating the Pre-Installed Batteries
4.2. Setting the time and date
5. Taking a blood pressure measurement
5.1. Before the measurement
5.2. Common sources of error
5.3. Fitting the cuff
5.4. Measuring procedure
5.5. Discontinuing a measurement
5.6. Irregular Heartbeat Detection
5.7. Hypertension Risk Indicator
5.8. Memory – storage and recall of the measurements
5.9. Memory – cancellation of all measurements
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6. Software Functions
6.1. Installation and data transmission
7. Setting the Medication Reminder
8. Battery Charge Indicator
9. Error messages/malfunctions
10. Care and maintenance
11. Warranty
12. Reference to standards
13. Technical specifications
14. How to contact us
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1. Introduction
1.1. Features of the Wrist Blood Pressure Monitor
This blood pressure monitor (with Irregular Heartbeat Detection) is a fully
automatic, digital blood pressure measuring device for use on the wrist.
This monitor enables very fast and reliable measurement of your systolic
and diastolic blood pressure as well as pulse by way of the oscillometric
method of measuring. This device offers a very high and clinically tested
measurement accuracy and is designed for maximum user-friendliness.
Before using it, please read through this instruction manual carefully and
keep it in a safe place. For further questions on the subject of blood pressure and its measurement, please contact your doctor.
Attention!
1.2. Important information about self-measurement
Self-measurement means control, not diagnosis or treatment. Your
values must always be discussed with your physician. You should never
alter the dosages of any medication without direction from your
physician. The pulse display is not suitable for checking the functioning of
heart pacemakers!!
In cases of irregular heartbeat, measurements made with this
instrument should only be evaluated after consultation with your
doctor.
Electromagnetic Interference: This device contains sensitive electronic
components. Avoid strong electrical or electromagnetic fields in the direct
vicinity of the device (e.g. mobile telephones, microwave ovens, etc.). These
can lead to temporary impairment of the monitor’s
measuring accuracy.
2. Important information about blood pressure and its measurement
2.1 How does high/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
frequency of the heart (Pulse), as well as the width of circulatory blood
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vessels is altered. Blood vessel width is affected by way of 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). Your blood pressure values
must lie within certain normal ranges in order to prevent particular diseases.
2.2 Which values are normal?
Blood pressure is too 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 through continual damage to the blood vessels in you
body. Should your systolic blood pressure values lie between 140 mmHg and
159mmHg and/or your diastolic blood pressure values lie between 90 mmHg
and 99mmHg. Consult your physician. Regular self-checks will be 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 (without reagard to
age) have been established by the U.S. National Institutes of Health JNC7, 2003.
Category Systolic Diastolic
(mmHg) (mmHg)
Normal <120 and <80
Self-Check
Pre-Hypertension 120 - 139 or 80 - 89
Stage 1 140 - 159 or 90 - 99
Hypertension
Stage 2
≥160 or ≥100
Hypertension
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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
your are suffering from so-called "labile hypertension." Consult your physician.
• Correctly measured diastolic blood pressure values above 120mmHg
require immediate medical treatment.
* This device is not intended for use on children 12 years of age or
younger.
2.3 What can be done if regular high/low values are obtained?
a) Consult your physician.
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 constrictions caused by deposits in the
vessel walls (Arteriosclerosis). A deficient supply of blood to important
organs (heart, brain, muscles) can result. 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. Secondary hypertension can be ascribed to specific organ
malfunctions. Please consult your physician for information about the possible origins of your own increased blood pressure values.
d)There are measures you can take to reduce and even prevent high
blood pressure. These measures must be permanent lifestyle changes.
1) 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.
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2) Previous illnesses
• Consistently follow all medical instructions for treating illness such as:
diabetes (diabetes mellitus or sugar diabetes), fat metabolism disorder,
and gout.
3) Habits
• Give up smoking completely.
• Drink only moderate amounts of alcohol.
• Restrict your caffeine consumption (coffee, tea and chocolate).
4) 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 physician before beginning your exercise routine. You
must receive advice regarding the type and extent of exercise that is
appropriate for you.
2.4 Irregular Heartbeat Detection
The appearance of the symbol signifies that a certain irregular
heartbeat was detected which could cause cardiovascular disease. This
indicator is only a caution. This blood pressure monitor can detect blood
pressure and pulse rate measurement with specifications even if the
patient is having an irregular heartbeat interval. 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
icon frequently.
CAUTION: An irregular heartbeat can be a serious medical condition
requiring medical attention. See your doctor if you have an irregular
heartbeat.
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3. Components of your blood pressure monitor
The illustration shows your blood pressure monitor, consisting of:
Fits wrist size 13.5-19.5cm (5.3"-7.7")
Universal Size
Wrist Cuff
Battery Cover
Time/Date Button
Memory Recall
Jumbo, Color LCD
Hyperension
Risk Indicator
ON/OFF/START
Button
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4. Using your Blood Pressure Monitor for the First Time
4.1. Activate the Pre-Installed Batteries
Pull out the protective strip protruding from the battery compartment.
4.2 Setting the date and time
1. After the new batteries are activated, the year num-
ber 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 year number starts to flash. Now you can
enter the new values as described above.
5. Taking a Blood Pressure Measurement
5.1. Before the measurement:
• Avoid eating, smoking as well as all forms of exertion directly before
your measurement. These factors influence the measurement result.
Relax by sitting in an armchair in a quiet atmosphere for about ten
minutes before your measurement.
• Always measure on the same wrist (normally left).
• Compare readings at the same time of day, since your blood pressure
changes during the course of the day.
TIME PM
Memory
Button
Time/Date
Button
5.2. Common sources of error:
Note:
Comparable blood pressure measurements always require the same
conditions! These are normally always quiet conditions.
• All efforts by the patient to support the arm can increase blood pressure. Make sure you are in a comfortable, relaxed position and do not
activate any of the muscles in the measurement arm during the measurement. Use a cushion for support if necessary.
• If the wrist artery lies considerably lower (higher) than the heart, an
erroneously higher (lower) blood pressure will be measured! (Each
15cm/6" difference in height results in a measurement error
of10mmHg!)
• A loose cuff causes false measurement values.
• With repeated measurements, blood can accumulate in the respective
arm, which can lead to false results. Correctly executed blood pressure
measurements should therefore first be repeated after a 1 minute
pause or after the arm has been held up in order to allow the accumulated blood to flow away.
5.3. Fitting the cuff
a) Remove all objects and jewelry (e.g.
wristwatch) from the wrist in use. Put the
cuff over the wrist with the monitor face
on the inside of the wrist.
b) The distance between the cuff and the
hand should be approx. 10 mm (1/2").
c) Secure the cuff with the Velcro fastener,
so that it lies comfortably and not too
tight. No space should remain between
the cuff and the wrist.
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d) Lay your arm on a table, with the palm
upwards.
Support the arm a little with a cushion, so that the
cuff rests at about the same height as the heart.
Remain still for 2 minutes, before beginning the
measurement.
5.4. Measuring procedure
After the cuff has been appropriately positioned, the measurement can
begin:
a) Press the ON/OFF button to begin. After
pressing the ON/OFF button the pump
begins to inflate the cuff. In the display,
the increasing cuff-pressure is continually
displayed.
b) After reaching the inflation pressure, the
pump stops and the pressure slowly falls.
The cuff pressure (large characters) is displayed during the measurement. When
the device has detected the pulse, the
heart symbol in the display begins to
blink and a beep tone is audible for every
pulse beat.
c) When the measurement has been concluded, a long beep tone sounds.
The measured systolic and diastolic blood pressure values as well as
the frequency are now displayed.
(Pulse=number of heartbeats each minute)
Example (Fig.): Systolic 118, Diastolic 73,
Pulse 75. The measurement results are displayed until you switch the device off.
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1
1
mmHg
mmHg
1
mmHg
mmHg
Pulse Detected -
Unit measuring
If no button is pressed for 5 minutes, the device switches off automati-
cally to save the batteries.
5.5. Discontinuing a measurement
If it is necessary to interrupt a blood pressure measurement for any
reason (e.g. the patient feels unwell), the ON/OFF button can be
pressed at any time. The device then immediately lowers the cuff pressure automatically and enters into sleep mode.
5.6. Irregular Heartbeat Detection
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.
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5.7. Hypertension Risk Indicator
The colored bars on the left-hand edge of the LCD show you the range within
which the indicated blood pressure value lies. Depending on the color of the
bar, the readout value is either within the normal (green), borderline (yellow) or
danger (orange, red) 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 illuminates according to your measurement:
• If the green bar lights up, your measurement is “Normal” according to NIH
standards.
• If the yellow bar lights up, it is “Pre-Hypertension” according to NIH standards.
• If the orange bar lights up, it is in the “Stage 1 Hypertension” zone.
• If the red bar lights up, it is in the “Stage 2 Hypertension” zone.
5.8. Memory – storage and recall of the measurements
This blood pressure monitor automatically stores the last 99 measurements values for each user. By pressing the MEMORY button, average of
existing memory readings displayed first with an “A” and (MR) at the
lower left. Press MEMORY button again, the last measurement (MR99) as
well as the previous 98 measurements (MR98, MR97, …..MR1) can be
displayed one after the other.
5.9.Memory– cancellation of all measurements
Attention!
Before proceeding to clear all the memory, make sure that you don’t have
to make reference to the readings in the future.
To delete all stored readings, press the MEMORY
button for at least 7 seconds. The display will show
the symbol "CL" and 3 short beeps will sound to
indicate deletion of stored readings.
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6. Software Functions
This unit can be used in connection with
your personal computer (PC) running the PC
Link Blood Pressure Analyzer software. Your
PC will allow a capacity of monitoring 80
patients, each with 1000 data (note: overuse
will lower system efficiency). The memory
data can be transferred to the PC by connecting the monitor via the
included USB cable with your PC. Note: The software does not work with
Mac computers.
6.1. Installation and Data Transmission
a) Insert CD into CD ROM drive of your PC. The installation will start
automatically. If not, click on SETUP.EXE.
b) Connect the monitor via USB cable with the PC. Three horizontal bars
will appear on the display and last for 3 seconds.
c) The bars will then flash to indicate that the connection between com-
puter and device is successfully made. As long as the cable is plugged,
the bars will keep flashing and the buttons are disabled.
During the connection, the device is completely controlled by the
computer. Please refer to the ‘help’ file in the software for detailed
instructions or call 1-800-568-4147.
7. Setting the Medication Reminder
This instrument allows you to set two alarm times at which an alarm signal
will then be triggered. This can be a useful aid, for instance as a reminder to
take medication or to remind you to take your blood pressure at the same time
each day.
1. To set an alarm time, press the time button (the instrument must have been switched off beforehand) and
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• Windows XP, Vista, 7
immediately afterwards the "M" button and hold both
down until the bell symbol appears in the bottom left of
the display. Then release both buttons. The flashing "1"
in the display indicates that the first alarm time can now
be set.
2. Press the time button to set the hours – the hours display flashes and pressing the "M" button allows you to
set the alarm hour. To confirm, press the time button.
3. The minute display will now flash. The minutes can be
set using the "M" button. To confirm, press the time button again.
4. The bell symbol will now flash. Use the "M" button to
select whether the alarm time is to be active (bell) or
inactive (crossed-out bell). To confirm, press the time
button.
To set a second alarm time, proceed as above but
if the "1" flashes, press the "M" button to select "2"
and confirm with the time button.
• An active alarm time is indicated by the bell symbol in the display.
• The alarm sounds at the set time every day.
• To switch-off the alarm when it is sounding, press the START/ON/OFF button.
• To permanently switch-off the alarm, proceed as above (steps 1-4)
and select the crossed-out bell symbol. This will then disappear from
the display.
• The alarm times must be re-entered each time the batteries are replaced.
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TIME PM
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