Aortic regurgitation occurs after S2 during ____ because there is turbulent flow that refluxes into the left ventricle after the aortic valve closes
A. Early diastole
B. Late diastole
C. Early systole
D. Mid-systole
ANS: A
The aortic valve closes creating S2. After the aortic valve closes, in aortic regurgitation, some blood flows back into the left ventricle. S1 through S2 is the systolic time frame. S2 through S1 is the diastolic time frame. The sound of a leaky aortic valve would be heard after the aortic valve closes (S2) during early diastole.
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