I believe Valsalva increase preload, therefore decrease the murmur
doyoudig wrote:
In general, Anything that causes an Increase in Afterload and/or incr in Preload
decreases the Murmur of HCOM.
So what does Isometric Exercise do n how?
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fongch
Valsalva causes a decrease in preload so it will increase the murmur of hypertrophic cardiomyopathy... therefore A is wrong
remember valsalva increases intrathoracic pressure --> decreasing venous return --> decreasing preload
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