Hypertension: Also known as high blood pressure is, by definition, a repeatedly elevated blood pressure exceeding 140 over 90 mmHg -- a systolic pressure above 140 or a diastolic pressure above 90. Chronic hypertension is a "silent" condition that does not have symptoms. It can cause blood vessel changes in the back of the eye (retina), abnormal thickening of the heart muscle, kidney failure, and brain damage.
Reviewed on 12/13/2018
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