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ABOUT BLOOD PRESSURE
What are systolic pressure and diastolic pressure?
When ventricles contract and pump blood
out of the heart, the blood pressure reach-
es its maximum value in the cycle, which
is called systolic pressure. When the ven-
tricles relax, the blood pressure reaches
its minimum value in the cycle, which is
called diastolic pressure.
What is the standard blood
pressure classification?
The blood pressure classification
lished by World Health Organization
(WHO) and International Society of Hy-
pertension (ISH) in 1999 is as follows:
CAUTION
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.
Level
Blood
Pressure (mm Hg)
SYS
DIA
Irregular Heartbeat Detector
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.
pub-
Optimal
Normal
<120
120-129
<80
80-84
High-normal
Mild
130-139
140-159
85-89
90-99
ENGLISH
Moderate
160-179
100-109
Severe
≥180
≥110
Capítulos
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