If end-diastolic volume is 130 mL and end-systolic volume is 50 mL, what is stroke volume?

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Multiple Choice

If end-diastolic volume is 130 mL and end-systolic volume is 50 mL, what is stroke volume?

Stroke volume is the amount of blood the heart pumps with each beat. It’s found by subtracting the volume left in the ventricle after contraction (end-systolic volume) from the volume just before contraction (end-diastolic volume). So with an EDV of 130 mL and an ESV of 50 mL, the stroke volume is 130 − 50 = 80 mL per beat. This sits in a normal range, and you can relate it to ejection fraction by dividing SV by EDV: 80/130 ≈ 0.62, about 62%.

Stroke volume is the amount of blood the heart pumps with each beat. It’s found by subtracting the volume left in the ventricle after contraction (end-systolic volume) from the volume just before contraction (end-diastolic volume). So with an EDV of 130 mL and an ESV of 50 mL, the stroke volume is 130 − 50 = 80 mL per beat. This sits in a normal range, and you can relate it to ejection fraction by dividing SV by EDV: 80/130 ≈ 0.62, about 62%.

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