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A member asked:
On a blood pressure test, what does the top number mean? and the bottom number?
A doctor has provided 1 answer
BP: The systolic (top) number is the pressure generated by the force of your left ventricle during contraction (systole). The diastolic (bottom) number is the residual pressure in the aorta during the resting phase (diastole) & reflects the elastic properties of the arterial system. If either is abnormally elevated for a long time, your risk of stroke, heart failure, attack, and kidney failure rise
Answered 10/4/2014
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