Effect on Systolic Sounds and Murmurs
Mitral Valve Prolapse
Standing; Strain Phase of Valsalva
Decreased left ventricular volume from X venous return to heart
Decreased vascular tone:
X arterial blood pressure; X peripheral vascular resistance
T prolapse of mitral valve
Click moves earlier in systole and murmur lengthens
T outflow obstruction
X blood volume ejected into aorta
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