Murmur increasing with Valsalva manouvre aEUR': (A) VSD, (B) HOCM, (C) MS, (D) AS
Answer is B. HOCM EFFECT OF VARIOUS INTERVENTIONS ON SYSTOLIC MURMURS Valsalva maneuver Most murmurs decrease in length and intensity with valsalva mane- uver. Two exceptions are:? - HOCM --> becomes louder - Mitral valve prolapse - becomes longer and louder Mitral Regurgitation The systolic murmur of M.R. is reduced during the strain phase of valsalva maneuver.