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21-02-2017
Biology

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why are the auscultatory sounds of heart not the same as location of valves

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21-02-2017

Heart sounds (normal or pathological) are caused by turbulent blood flow. They include the sound of the closing valves. Laminar flow is silent. Turbulent flow makes a sound. A thrill is turbulence or a murmur that is so marked that it is palpable

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