A young basketball player with ht 188 cm and armspan 197 cm has a diastolic murmur best heard in second right intercostal space : likely cause of murmur is-

The murmur of chronic AR is typically a high-pitched, blowing, decrescendo diastolic murmur, heard best in the third intercostal space along the left sternal border. Since the patient has armspan more than height Murfan&;s syndrome is suspected. Most common valvualr hea disease associated with Murfan&;s syndrome is AR. ( Harrison&;s principle of internal medicine,18th edition)