Standard Blood Pressure Classification
Below illustrates the standard blood pressure classification for adults made by
World Health Organisation (WHO) and International Society of Hypertension (ISH)
in 1999.
Caution:
•
Only a doctor can tell you your normal blood pressure range and
the point at which you are at risk. Consult your doctor to obtain
these values.
•
If the measurements taken with these products fall outside the
range, consult your GP/doctor for advice.
High (severe)
110
High (moderate)
100
High (mild)
90
Pre-High
80
Normal
60
Low
90
120 140 160 180
SYS (mmHg)
Low
Normal
Pre-High
High
(mild)
High
(moderate)
High
(severe)
164
SYS
DIA
<90
<60
90-120
60-80
120-140
80-90
140-160
90-100
160-180 100-110
>180
>110