Systolic (mmHg) Diastolic (mmHg)
Optimum < 120 < 80
Normal < 130 < 85
High-Normal 130 -139 85 - 89
Grade 1 Hypertension 140 -159 90 - 99
Grade 2 Hypertension 160 - 179 100 - 109
Grade 3 Hypertension > 180 > 110
5
About Blood Pressure
The World Health Organization (WHO) and International Society of Hypertension
(ISH) jointly developed the following Blood Pressure Classification. This classifi-
cation, however, is only a general guidline because your optimum blood preesure
depends on your age, morbidity, and treatment strategy by doctor. CONSULT
YOUR DOCTOR TO DETERMINE YOUR OPTIMUM BLOOD PRESSURE.
mmHg
110
100
90
85
80
Diastolic
Systolic
120 130 140 160 180
mmHg
Grade 3 Hypertension
Grade 2 Hypertension
Grade 1 Hypertension
High Normal
Normal
Optimal
•
For further information about the WHO-ISH classification,
www.oms.ch/ncd/cvd/HT-Guide.html
•
There is not a universally accepted definition of hypotension ( low blood
preesure), but a systolic preasure below 100mmHg is usually regarded
as hypotension.
WHO - ISH Blood Pressure Classification
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