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Old 08-03-2013
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Stethoscope MVP murmur and Handgrip and Squatting

Squatting and handgrip both increase systemic vascular resistance BUT why MVP intensity increase in handgrip and decrease in squatting?
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Old 08-05-2013
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Lolllz lookz like no one knows the answee
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Old 08-05-2013
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The only digestible answer I've found to that question was in uworld.
It says increase in afterload causes "better anatomical alignment" of the floppy mitral valve leaflets so the regurgitation is actually minimized, and so is the murmur.
However if the prolapse is too severe, this whole thing doesn't happen and murmur increases with increased afterload (just like in MR).
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