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13
ABOUT BLOOD PRESSURE CONTINUED
WARNING
Only a physician can tell your normal BP range. Please contact a physician if
your measuring result falls out of the range. Kindly note that only a physician
could tell whether your blood pressure value has reached a dangerous point.
Irregular Heartbeat Detector
This Blood Pressure Monitor is equipped with an intelligent function of Irregular
Heartbeat (IHB) Detector. During each measurement, this equipment records
the heartbeat intervals and works out the standard deviation. If the calculated
value is larger than or equal to 15, this equipment will light up the IHB symbol on
the screen when displaying the measuring result.
WARNING
The appearance of the IHB icon indicates that a pulse irregularity consistent
with an irregular heart-beat was detected during measurement. Usually this
is NOT a cause for concern. However, if the symbol appears often,
This chart reflects blood pressure categories defined by American Heart
Association.
Blood Pressure
Category
Normal
Prehypertension
High Blood Pressure
(Hypertension)
Stage 1
High Blood Pressure
(Hypertension)
Stage 2
Hypertensive Crisis
(Emergency care
needed)
Systolic
mmHg (upper#)
less than 120
120-139
140-159
160 or higher
Higher than 180
and
or
or
or
or
Diastolic
mmHg (lower#)
less than 80
80-89
90-99
100 or higher
Higher than 110
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