A member asked:

Why is the murmur of hocm louder on valsalva maneuver?

A doctor has provided 1 answer

Anything : That decreases venous return leads to a reduction in volume to the heart. These changes will effect the intensity of murmurs. With the valsalva there ia a transient/ brief increase in output. The straining portion decreases venous return and will increase the intensity of the murmur.Heart rate will also increase. Standing abruptly will do the same.

Answered 5/11/2018

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Thank

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