7th March 2024

A 38 year old man comes to the cardiology clinic with symptoms of shortness of breath on exertion and increased exercise tolerance.

A 38 year old man comes to the cardiology clinic with symptoms of shortness of breath on exertion and increased exercise tolerance. On clinical examination, he was tall and slender with disproportionately long arms, legs and fingers. He has a high arched palate, scoliosis and flat feet. Auscultation of the chest reveals clear lung fields and an early descending decrescendo murmur. An echocardiogram confirms aortic regurgitation. What is the most likely cause of this patient’s cardiology finding?

Select the SINGLE most appropriate option from the list below. Select ONE option only.