E-16
WHO Classification Indicator
Each 6 segments of the bar indicator correspond to the WHO blood pressure classification is described on page 15.
About Blood Pressure
What is Blood Pressure?
Blood pressure is the force exerted by blood against the walls of the arteries. Systolic pressure occurs when the heart
contracts. Diastolic pressure occurs when the heart expands. Blood pressure is measured in millimeters of mercury
(mmHg). One’s natural blood pressure is represented by the fundamental pressure, which is measured first thing in the
morning while one is still at rest and before eating.
Example
WHO Classification Indicator
High normal
Moderate hypertension
Moderate
hypertension
Mild hypertension
Mild hypertension
High normal
Normal
The indicator displays a
segment, based on the
current data, corresponding
to the WHO classification.
Optimal
Severe hypertension
: