Question category: Cardiology
A 28 year old male presents with shortness of breath on exertion. On examination he is very tall and thin with long fingers. On auscultation the chest is clear however you note an early diastolic murmur which is low pitched best heard at the aortic area and lower left sternal edge (louder in expiration) and a late diastolic murmur heard at the apex. What is the most likely diagnosis?