10
Assessing high blood pressure for adults
The following guidelines for assessing high blood pressure (without regard to age or
gender) have been established by the World Health Organization (WHO). Please note that
other factors (e.g. diabetes, obesity, smoking, etc.) need to be taken into consideration.
Consult with your physician for accurate assessment and never change your treatment
by yourself.
Blood pressure
classification
Optimal
Normal
High-Normal
Grade 1 hypertension
Grade 2 hypertension
Grade 3 hypertension
WHO/ISH Definitions and classification of blood pressure levels
Note: The WHO guidelines color scheme does not give the basis for a diagnosis and is
meant only to discriminate between the different levels of blood pressure.
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SBP mmHg
<120
120-129
130-139
140-159
160-179
≤180
8
DBP mmHg
Colour indication
<80
GREEN
80-84
GREEN
85-89
GREEN
90-99
YELLOW
100-109
ORANGE
≤110
RED