Which one of the following will decrease with an increase in ejection fraction?
Correct Answer: End-systolic volume (ESV)
Description: EF = X 100. If ejection fraction has increased, it means stroke volume has increased (or decrease in EDV, or both). If SV has increased, with a normal EDV, it means there is an increase in myocardial contractility. It will increase the cardiac output. Hea rate may or may not change. If SV has increased, then end-systolic volume will decrease.
Category:
Physiology
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