User's Manual

34
EMC GUIDANCE
35
An irregular heartbeat is detected when a heartbeat rhythm varies while the device is measuring
systolic pressure and diastolic pressure. During each measurement, blood pressure monitor will
keep a record of all the pulse intervals and calculate the average value of them. If there are two
or more pulse intervals , the difference between each interval and the average is more than the
average value of ±25% , or there are four or more pulse intervals ,the difference between each
interval and the average is more than the average value of ±15%, then the irregular heartbeat
symbol will appear on the display with the measurement result.
What are systolic pressure and diastolic pressure?
Irregular Heartbeat Detector
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.
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.
ABOUT BLOOD PRESSUREABOUT BLOOD PRESSURE
What is the standard blood pressure classification?
Only a physician can tell your normal BP 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.
CAUTION
The chart on the right is the
standard blood pressure classifi-
cation published by American
Heart Association (AHA).
Blood Pressure Category
Normal
Elevated
High Blood Pressure
(Hypertension) Stage 1
High Blood Pressure
(Hypertension) Stage 2
Hypertensive Crisis
(Consult your doctor immediately)
Systolic
mmHg (upper#)
Diastolic
mmHg (lower#)
less than 120
120-129
130-139
140 or higher
Higher than 180
and
or
or
and/or
less than 80
80-89
90 or higher
Higher than 120
This chart reflects blood pressure categories defined by American Heart Association.
and less than 80