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ABOUT BLOOD PRESSURE
What are systolic pressure & diastolic pressure?
When ventricles contract and pump blood out of the
heart, blood pressure reaches its maximum value,
the highest pressure in the
cycle is known as systolic
pressure. When the heart
relaxes between heartbeats,
the lowest blood pressure
is diastolic pressure.
What is the standard blood pressure classification?
The blood pressure
classification published
by World Health
Organization (WHO) and
International Society of
Hypertension (ISH)
in 1999 is as follows:
CAUTION:
Consult a physician for your normal blood pressure
range. Please contact a physician if your measuring
result falls out of the range. Please note that only a
physician can tell whether your blood pressure value
has reached a dangerous point.
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Blood Pressure
Systolic
Diastolic
Classification
(mmHg)
(mmHg)
Optimal
Less than 120
Less than 80
80 –84
Normal
120 –129
High — Normal
130 –139
85 –89
Hypertension Stage 1
140 –159
90 –99
Hypertension Stage 2
160 –179
100 –109
Hypertension Stage 3
180 or Higher
110 or Higher
Irregular Heartbeat Detector
An irregular heartbeat (IHB) is detected when a
heartbeat rhythm varies while the unit is measuring
the systolic and diastolic blood pressure. During each
measurement, the monitor records the heartbeat
intervals and calculates the average. If any average
is larger than or equal to 25%, the irregular heartbeat
symbol appears on the display when the measurement
results appear.
CAUTION:
The appearance of the IHB icon indicates that a pulse
irregularity consistent with an irregular heartbeat was
detected during measurement. Usually this is NOT a
cause for concern. However, if the symbol appears often,
we recommend you seek medical advice. Please note
that the device does not replace a cardiac examination,
but serves to detect pulse irregularities at an early stage.
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