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About Blood Pressure
A. AHA blood pressure classifications:
Standards for assessment of high or low blood pressure without
regard to age, have been established by the American Heart
Association (AHA 2017), as shown in the below chart.
BLOOD PRESSURE CATEGORY
NORMAL
ELEVATED
HIGH BLOOD PRESSURE
(HYPERTENSION)STAGE 1
HIGH BLOOD PRESSURE
(HYPERTENSION)STAGE 2
HYPERTENSIVE CRISIS
(consult your doctor immediately)
However the above chart is not exact for classification of blood
pressure and it's intended to be used as a guide in understanding
non-invasive blood pressure measurements. Please consult with
your physician for proper diagnosis.
B. Variations in blood pressure:
Individual blood pressures vary greatly both on a daily and a
seasonal basis. These variations are even more pronounced in
hyper tense patients. Normally the blood pressure rises while at
work and is at its lowest during sleeping period.
(hyper tense: means a person who has high blood
pressure symptom.)
The graph below illustrated the variations in blood pressure
over a whole day with
measurement
every five minutes.
The
thick
represents sleep. The
rise in blood pressure
at 4 PM (A in the
graph) and 12
in
the
correspond to an attack
of pain.
SYSTOLIC mm Hg
(upper number)
LESS THAN 120
120-129
130-139
140 OR HIGHER
HIGNER THAN 180
taken
line
AM
(B
graph)
(Direct arterial pressure recording in unrestricted man.
Beven, Honour & Stott: Clin. Sci. 36:329. 1969)
5
DIASTOLIC mmHg
(lower number)
and
LESS THAN 80
and
LESS THAN 80
or
80-89
or
90 OR HIGHER
or
HIGHER THAN 120
VER: A001 202203
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