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Listening to S1 and S2 Heart Beats

The time period elapsing between the first heart sound and the second sound defines systole (ventricular ejection) and the time between the second sound and the following first sound defines diastole (ventricular filling).

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Tags: Heart sounds S1 S2

Uploaded by: ( Send Message ) on 30-11-2011.

Duration: 1m 53s

Dnatube: Sciencific and Medical video site.