BLOOD PRESSURE CLASSIFICATION
Standards for assessment of high blood pressure, without regard to age, have been established by the
World Health Organization (WHO), as shown in the chart as below:
mmHg
110
Grade 2 hypertension (moderate)
105
100
Grade 1 hypertension (mild)
95
90
High-normal
85
Normal
80
Optimal
120
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Grade 3 hypertension (severe)
130
140
150
Systoilc Pressure
mmHg
160
170
180
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