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What are end diastolic volume and end systolic volume?

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Dr. Sergio Schabelman answered

Specializes in Cardiology

See below: EDV-ESV: The volume inside the heart at the end of the relaxation portion of the cardiac cycle (diastole) is: end diastolic volume. When the heart contracts (systole) the volume (amount of blood)inside is called end systolic volume. The difference between them ( EDV - ESV) is the Stroke Volume (SV). The Ejection Fraction (% of blood ejected in each heart beat) is an important number (SV divided by EDV=EF)

Answered 3/13/2019

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A member asked:

Which is more important--systolic or diastolic level?

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