[FSUSTC]

How you will differentiate murmur of AS and HOCM ...

 

[khanar]

AS murmur radiates to neck and carotids while HOCM murmur does not.
AS murmur decrease with Valsalva while HOCM murmur increase.
AS murmur increase with leg raising while HOCM murmur decrease.

 

[rasheed]

A related thread is also here
http://www.usmle-forums.com/usmle-step-2-ck-forum/1745-effects-maneuvers-systolic-murmurs.html