Review Note

Last Update: 01/29/2025 02:32 PM

Current Deck: PHYSIOLOGY::exam one

New Card (Unpublished)

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Commit #272761

At which numbered point is the first heart sound heart? Second heart sound heard?

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Commit #272761

The first heart sound corresponds to closure of atrioventricular valves. This is at the end of ventricular filling and the beginning of isovolumetric contraction, therefore “1” The second heart sound corresponds to closure of the aortic valve, at “3”.