A patient has an end-diastolic volume of 160 mL and an end-systolic volume of 112 mL. What is the ejection fraction?
Answer and explanation
Correct answer: B. 30 %
- Step 1: Stroke volume mL.
- Step 2: EF .
Answer
30 %.
Why not the others: 70 %: The fraction remaining in the ventricle was given. 48 %: The stroke volume was given as a percentage. 42.86 %: The stroke volume was divided by the end-systolic volume.
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