Blood pressure is the force of blood against the walls of arteries.
Blood pressure is recorded as two numbers—the systolic pressure (as the
heart beats) over the diastolic pressure (as the heart relaxes between
beats). The measurement is written one above or before the other, with
the systolic number on top and the diastolic number on the bottom. For
example, a blood pressure measurement of 120/80 mmHg (millimeters of
mercury) is expressed verbally as 120 over 80.
Normal blood pressure is less than 120 mmHg systolic and less than 80 mmHg diastolic.
When systolic and diastolic blood pressures fall into different categories, the higher category should be used to classify blood pressure level. For example, 160/80 mmHg would be stage 2 hypertension (high blood pressure).
Normal blood pressure is less than 120 mmHg systolic and less than 80 mmHg diastolic.
CATEGORIES FOR BLOOD PRESSURE
When systolic and diastolic blood pressures fall into different categories, the higher category should be used to classify blood pressure level. For example, 160/80 mmHg would be stage 2 hypertension (high blood pressure).
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