HYPERTENSION
Hypertension means high blood pressure. Blood pressure is pressure exerted per unit area by blood against the walls of arteries.
Blood pressure (B.P.) is recorded in two values systolic value pressure when heart contracts and a diastolic value when heart relaxes. Naturally systolic is greater than diastolic. So a BP reading of 120/80 means systolic value of 120 & diastolic value of 80.
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