A 48 years old plumber has been diagnosed with a systolic murmur, nearly 10 years ago while examining for an inguinal hernia. The patient is a non-smoker and drinks occasionally. He has never felt any uneasiness, rather he is well and fit. His pulse rate is 60 bpm, blood pressure is 160/70 mmHg, JVP and the cardiac sound are normal. A pansystolic murmur is heard from radiating to the axilla. Displacement of apex