This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following mutmurs increase with valsalva maneovre 
Select and explain. 
A. Mitral stenosis, B. HOCM, C. Mitral regurgitation, D. Aoic stenosis
B: HOCM
Answer: B: HOCM 
Explanation: Ref Harrison 19 th ed pg 1448 Accordingly, the systolic murmur of HOCM becomes louder during the strain phase of the Valsalva maneuver and after standing quickly from a squatting position. The murmur becomes softer with passive leg raising and when squatting.