A 42-year-old member asked:
what is the difference between systolic and diastolic blood pressure?
1 doctor answer
Dr. John Szawaluk answered
31 years experience Cardiology
See below: Systolic pressure(top number) is the pressure measured when the heart is contracting and ejecting blood. Diastolic pressure(bottomnumber) is the pressure measured when the heart is relaxing and filling with blood.
Answered on Jan 15, 2015
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