Manual Microlife WatchBP Home N (page 23 of 38) (English)

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Accurate home and

nocturnal blood pressure

measurements

with the WatchBP home N.

Instruction Manual

Microlife WatchBP Home N is the device designed to measure nocturnal blood pressure during sleep

time. It strictly follows European Society of Hypertension (ESH)

1, 2

and American Heart Association (AHA)

recommendations for home blood pressure measurement. Using the WatchBP Home N device helps you

collect accurate home and nocturnal blood pressure measurements. This gives a good insight into your

daily blood pressure pattern and therefore provides valuable information for your doctor. The WatchBP

Home N device has been clinically validated according to the ESH protocol

O’Brien E, Asmar R, Beilin L, Imai Y, et al. European Society of Hypertension recommendations for conventional, ambulatory and home blood pressure

measurement. European Society of Hypertension Working Group on Blood Pressure Monitoring. J Hypertens 2003;21:821-848.

Stergiou GS, et al. A tool for reliable self-home blood pressure monitoring designed according to the European Society of Hypertension

recommendations: The Microlife WatchBP Home monitor. Blood press Monit. 2007;12:127-131.

Pickering TG, Hall JE, Appel LJ, et al. Recommendations for Blood Pressure Measurement in Humans and Experimental Animals:

Part 1: Blood Pressure Measurement in Humans: A Statement for Professionals From the Subcommittee of Professional and Public Education of the

American Heart Association Council on High Blood Pressure Research. Hypertension 2005;45;142-161.

Stergiou GS, Giovas PP, Gkinos CP, Patouras JD. Validation of the Microlife WatchBP Home device for self home blood pressure measurement according

to The International Protocol. Blood Press Monit. 2007;12(3):185-188.

Before using WatchBP Home N for the rst time

Product description .....................................................3–4

Activating the device ...................................................... 5

Selecting the correct cuff ................................................ 6

Taking measurements using WatchBP Home N

«USUAL» Mode ............................................................... 8

«DIAG.» Mode ............................................................8–10

«NOCTURNAL» Mode .................................................... 11

Storing measurement values and medication intake

Measurement values stored automatically ................. 12

Recording medication intake ................................. 13–14

Eight steps for taking accurate blood pressure

Blood pressure measurement procedures ..............15-18

Special function

Atrial Fibrillation Detection .......................................19-20

Viewing, deleting, and transferring measurement

values

Viewing measurement values ............................... 21–22

Deleting measurement values ............................... 23–24

Transferring measurement values .......................... 25–26

Appendix

Batteries and power adaptor ................................. 27–28

Safety, care, accuracy test and disposal ................. 29–30

Error messages ....................................................... 31–32

Important facts ....................................................... 33–34

Technical specications ................................................ 31

Table of Contents

SYS

mmHg

DIA

PUL

/min

USUAL

DIAG.

NOCTURNAL

M Button (Memory)

IAG

Display

ON/OFF Button

Cuff Socket

Power Socket

Serial Port

Battery Compartment

Mode Switch

Medication Button

Mode Indicators

Doctor Symbol

Atrial Fibrillation Detection

Outside Measurement time

Relax

Battery Display

Delete Memory Data

Morning Data

Evening Data

Date/Time

Systolic Value

Diastolic Value

Pulse Indicator

Pulse Rate

Number of Stored Data

USUAL

DIAG.

NOCTURNAL

2) Set the month – Press the M button to select the

month. Press the ON/OFF button to conrm.

Before using WatchBP Home N for the rst time

Activating the Device

Pull out the protective strip from the battery

compartment to activate the device.

Press M button to select.

Press ON/OFF button to conrm.

3) Set the day – Press the M button to select the day.

Press the ON/OFF button to conrm.

SYS

mmHg

DIA

PUL

/min

USUAL

DIAG.

NOCTURNAL

1) Set the year – Upon removing the protective strip or

installing new batteries, the year number ashes in

the display. Use the M button to select the year. Press

the ON/OFF button to conrm the selection.

4) Set the time – Press the M Button to select the time.

Press the ON/OFF button to conrm. When the date

and time are set, the current time is displayed.

5) If you want to change the date and time, take out one

battery from the battery compartment briey and

press ON/OFF button to turn off the device; then put it

back. The year number will ash. Complete the process

as described above.

M (Medium size)

22 - 32 cm (8.7 - 12.6 inches)

M is the correct size for most people.

L (Large size)

32 - 42 cm (12.6 - 16.5 inches)

Selecting the correct cuff

The WatchBP Home N device is available with different

cuff sizes. If the cuff provided with the device is not the

correct size, please consult your doctor.

please use only Microlife cuffs!

Prior to each measurement, use the Mode Switch

on the right side of the device to select the proper

measurement mode. There are three modes to be

selected:

«USUAL» (Usual) mode,

for a regular single measurement.

«DIAG.» (Diagnostic),

for diagnosis or follow-up.

«NOCTURNAL» (Nocturnal) mode

for measurements of blood pressure during sleep.

IAG

Taking measurements using WatchBP Home N

NOCTURNAL DIAG. USUAL

NOCTURNAL DIAG. USUAL NOCTURNAL DIAG. USUAL

«USUAL» Mode

The «USUAL» mode should be selected when the

measurement of blood pressure is recommended by

guidelines. In «USUAL» mode, single measurements can

be taken at any time, and the measurement values are

automatically stored for later evaluation by your doctor.

Anytime

NOCTURNAL DIAG. USUALNOCTURNAL DIAG. USUAL

NOCTURNAL DIAG. USUAL

«DIAG.» Mode

The «DIAG.» mode should be selected as requested.

The blood pressure can only be measured in

accordance to the measurement schedule as

prescribed by the European Society of Hypertension

(ESH).

NOCTURNAL DIAG. USUAL

NOCTURNAL DIAG. USUAL NOCTURNAL DIAG. USUAL

No measurements on non-work days

In «DIAG.» mode, blood pressure measurements are

taken on 7 consecutive working days (or normal

week days). Do not take measuremetns on

«non-working» days (or particularly relaxing days)

in this mode!

Two sets of measurements per day

ESH guidelines recommend one double measurement

to be taken in the morning between 06:00 - 09:00 and

one in the evening between 18:00 - 21:00. Always take

the measurements before taking your medication,

unless otherwise directed by your doctor.

Jan

JAN

working

days

06:00 - 09:00

18:00 - 21:00

04:00 - 12:00

18:00 - 24:00

ESH Guidelines Extended Time

Taking measurements using WatchBP Home N (cont.)

Evaluation

After measurements have been carried out for a total

of 7 working days, take the device to your doctor for

evaluation of your home blood pressure.

Extended measurement period

WatchBP Home N has an extended measurement period

and allows morning measurements between 04:00 -

12:00 and evening measurements between 18:00 - 24:00.

If it is not in the

measuring time

period, the symbol

will be displayed and

the measurements

can not be taken.

When measurements

have been carried out

for the full 7 days, the

doctor symbol will

ash on the screen.

USUAL

DIAG.

NOCTURNAL

USUAL

DIAG.

NOCTURNAL

«NOCTURNAL» Mode

The «NOCTURNAL» mode enables you to measure and

record blood pressures during sleep time. It can be

selected when requested by your doctor.

NOCTURNAL DIAG. USUAL

Three measurements during sleep time

Select «NOCTURNAL» mode while you are going to

sleep. Press the start button for 3 seconds, the device

will take one measurement automatically to activate the

nocturnal procedure. It will take the rst measurement

two hours later; the second measurement one hour after

the rst measurement; and the third measurement one

hour after the second measurement.

1 hour 1 hour

2 3

2 hours

Press for

3 seconds

Taking measurements using WatchBP Home N (cont.)

The average blood pressure value of the 1

, 2

and 3

measurement will be calculated by the device.

In «NOCTURNAL» mode

84 measurements can be stored

Up to 21 cycles of nocturnal measurements can be stored.

50 medication records can be stored

* When the memory is full, the device will display “Full”.

250

Measurements

In «USUAL» mode

250 measurements can be stored

When the memory of the device is full, each new

measurement will automatically overwrite the rst

measurement.

In «DIAG>» mode

28 measurements can be stored

Measurements

«USUAL» mode

«DIAG>» mode

Measurements

«NOCTURNAL» mode Medication

Measurements stored automatically

IAG

Saved

The patient can record the time of the medicine intake by

pressing the Medication Button.

Press and hold

for 2 Seconds...

1) Press and hold the Medication Button for 2 seconds then

release it, the Pill icon and the record number appear.

2) The Pill icon will ash alternately with the recorded time.

3) Medication record is saved .

Delete stored medication records

Recording medication intake

Medication intake can be recorded in any of the three modes.

IAG

Press and hold

for 7 seconds...

Pressing the M Button to delete data will erase all medication

recorded data in the selected mode.

To clear the memory of all medication records, press and

hold the Medication button for 7 seconds until the “CL”

symbol ashes. Then press M to delete the memory or ON/

OFF to cancel the deletion .

IAG

Eight steps for taking proper blood pressure

Step 1

Avoid taking measurements directly after eating,

drinking or smoking. Allow at least one hour between

these activities and measurement of your blood pressure.

Step 2

Prepare a chair and table for the measurement. The

chair should have a vertical back-rest and the table

should allow your upper arm to rest at the same height

as your heart.

1 Hour Before

Step 3

Remove all clothing covering or constricting the arm to

be measured. Apply the cuff. Make sure the lower edge

of the cuff is exactly 2–3 cm from the inner fold of your

arm. The tube connecting the cuff to the device should

be placed on the inside of the arm. (Additional visual

instruction can be found on the cuff)

Step 4

Sit down and relax for at least ve minutes prior to the

measurement.

Step 5

Sit upright and lean comfortably against the chair’s

backrest. Press the start button, and the device will

start to measure. During the measurement do not

move, cross your legs, or tense your arm muscles.

Breath normally and do not talk.

Step 6

When the measurement is complete, the readings

are stored for future reference by your doctor. If an

error displays after the readings, please repeat the

measurement procedure from step 1 to 5.

SYS

mmHg

DIA

PUL

/min

USUAL

DIAG.

NOCTURNAL

Automatically stored

Eight steps for taking proper blood pressure (cont.)

Step 7 (in «DIAG.» mode)

In «DIAG.» mode, there is a 60 second countdown before

the measurement starts. Two measurements will be

performed subsequently. After the rst measurement

another 60 second countdown starts before the second

measurement. Be relaxed and do not move during the

countdown.

Step 8 (in «DIAG.» mode)

When seven days of measurements have been collected,

the Doctor Symbol will ash on the display. Do not forget

to take your WatchBP Home N device with you on your

next visit to the doctor. (Note: the doctor symbol is only

displayed for measurements in «DIAG.» Mode.)

1 2

60 sec.

Special Function

The atrial brillation indicator for early

detection

The WatchBP Home N is designed to detect atrial brillation

during blood pressure measurements in the «USUAL» Mode,

«DIAG.» Mode and «NOCTURNAL» Mode. When atrial

brillation is detected, the Ab icon is displayed. The device

can detect atrial brillation with high accuracy (sensitivity

of 95% and specicity of 86%)

. If the atrial brillation

icon is displayed after the measurement, it is recommended

to visit a doctor.

IAD

Joseph Wiesel, Lorenzo Fitzig, Yehuda Herschman and Frank

C. Messineo. Detection of Atrial Fibrillation Using a Modied

Microlife Blood Pressure Monitor.

American Journal of Hypertension 2009; 22, 8, 848–852.

doi:10.1038/ajh.2009.98

Atrial brillation is a major cause of stroke which can be

detected by this device. However, not all risk factors for

stroke, including atrial utter, may be detected by this

device.

This device may not detect atrial brillation in people with

pacemakers or debrillators. People with pacemakers or

debrillators should therefore not use this device to detect

atrial brillation.

About Atrial Fibrillation

Atrial brillation is a common heart rhythm problem.

It affects more than 2 million people in North America.

It is more common in older age and is found in 10%

of people over 80 years old. It is a common cause of

strokes. About 15% of all strokes are caused by atrial

brillation.

The elderly or those with high blood pressure, diabetes

or heart disease are more likely to get a stroke if they

have atrial brillation.

Atrial brillation is a rhythm problem that can last from

a few minutes, too days, weeks or even years. Atrial

brillation can cause blood clots in the upper chambers

of the heart (the atria). These clots can break off and

ow to the brain causing a stroke.

The use of blood thinners, such as warfarin, can

lower the risk of a stroke in patients with atrial

brillation.

A doctor can conrm if atrial brillation is present

by performing an ECG. Sometimes Atrial brillation

is present incidentally. Therefore, a doctor may not

see it on regularly scheduled visits.

One method of detecting atrial brillation is by

means of palpitations during blood pressure

measurement. This method is not very reliable.

Failure to detect Ab may in the end lead to the

occurrence of a stroke; whereas early detection may

lead to early treatment that can signicantly reduce

the chances of a stroke.

NOCTURNAL DIAG. USUALNOCTURNAL DIAG. USUAL NOCTURNAL DIAG. USUAL

Viewing, deleting and transferring measurements

In «USUAL» Mode

1) When the M button is pressed, it briey displays

the total number of measurements stored, e.g.

N=63, followed immediately by the average of all

measurements stored in memory.

Viewing measurements

1) Use the Mode switch to rst select the mode of

measurements you want to view.

2) Then press the M button.

Individual

Reading

2) All individual readings can be viewed by repeatedly

pressing the M button.

2) Pressing the M button again displays the average of all

morning data.

In «DIAG.» Mode

1) When the M button is pressed, it briey displays the

total number of measurements stored, e.g. N=20.

All individual readings can be viewed by repeatedly pressing

the M button.

«- -» will display when the

number of measurements

is less than 12.

«A» is displayed when

the number shown is

the average of all data.

3) Pressing M button once again shows the average of all

evening data.

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