<prompt> All except one is true regarding murmur heard in hypertrophic obstructive cardiomyopathySystolic murmur decreases on squattingSystolic murmur increases on valsalva manoeuvreSystolic murmur increases with hand gripSystolic murmur decreases on taking beta blocker  <response>: Murmur in HOCM decreases with handgripDYNAMIC CARDIAC ASCULTATIONEffect of Murmurs. 