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16
SYS
DIA
Reading the blood pressure display
If the measured values fall within the hypertension range, the reading displayed on
screen ashes on and o to alert user.
According to JNC 7 Classication, values consistently in excess of 140 mm
Hg
(Sys.) and/
or 90 mm
Hg
(Dia.) are considered to constitute high blood pressure.
Blood pressure is not a xed parameter!
The blood pressure uctuations of this
example of a day prole show why a single
value is not suitable for diagnosis and
therapy.
For people with high blood pressure a
uctuation of up to 50mm
Hg
within the
course of a day can occur.
Blood pressure readings will ash for
approx. 5 seconds when in the high
blood pressure range.
The range of high blood pressure is as
follows:
Systolic blood pressure: 140 mm
●
Hg
and over
Diastolic blood pressure: 90 mm
●
Hg
and over
(mm
Hg
)
Systolic
120 140
80
90
(mm
Hg
)
Diastolic
Hypertension
(Stage 1, Stage 2)
Prehypertension
Normal
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BU35.indb 16 2011/06/14 14:28:23