Given end -diastolic volume = 130 mL and end -systolic volume = 50 mL, what is the stroke volume and ejection fraction?
A) SV = 80 mL, EF = 0.61
B) SV = 80 mL, EF = 0.38
C) SV = 180 mL, EF = 0.61
D) SV = 180 mL, EF = 0.38
E) SV = 50 mL, EF = 0.61

Question

Quizplus · Accepted Answer

Stroke volume (SV) is calculated as end-diastolic volume (EDV) minus end-systolic volume (ESV), which is 130 mL - 50 mL = 80 mL. Ejection fraction (EF) is calculated as SV divided by EDV, which is 80 mL / 130 mL = 0.615, rounded to 0.61.

Given End -Diastolic Volume = 130 ML and End -Systolic