<prompt> A 16 year old male is referred by high school coach for a physical examination before joining the football team. His elder brother had died suddenly during football practise, no autopsy was done. The patient has a loud systolic murmur on chest auscultation. All of the following would be constant with hyperophic cardiomyopathy, except-A crescendo-decrescendo systolic murmurMurmur radiating to neckBrisk carotid upstrokeIncrease in murmur during valsalva or standing  <response>: Ref: Harrisons 19th E pg 1568 Murmur of HOCM doesnt radiate to neck. Hyperophic cardiomyopathy is defined as left ventricular hyperophy that develops in the absence of causative hemodynamic factors, such as hypeension, aoic valve disease, or systemic infiltrative or storage diseases 