What do you mean by heart sound? Explain variety of heart sound with cardiac cycle.
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Heart sounds are the noises generated by the beating heart and the resultant flow of blood through it. Specifically, the sounds reflect the turbulence created when the heart valves snap shut. ... Turbulence may occur inside or outside the heart; if it occurs outside the heart then the turbulence is called Bruit.
A murmur is due to turbulence of blood flow and can, at times, encompass all of systole or diastole. The main normal heart sounds are the S1 and the S2 heart sound. ... Heart sounds can be described by their intensity, pitch, location, quality and timing in the cardiac cycle.
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