A 62-year-old woman is admitted to the cardiology center due to acute myocardial infarction. The patient had chest pain for the past 3 days, that exacerbated today while shoveling snow. She has a history of hypertension. On the 4th day of hospitalization, the patient was evaluated due to severe dyspnea. On physical examination, the patient has a holosystolic murmur best heard at the apex. Echocardiography confirms severe mitral regurgitation. She is taken to the operating room, where she is found to have anterolateral papillary muscle rupture. What is the compromised artery in this patient?

Question

Quizplus · Accepted Answer

Eductional Objective: The anterolateral papillary muscle of the mitral valve has a dual blood supply from the LAD and LCX. The posteromedial artery has a single blood supply from the posterior descending artery.

A 62-Year-Old Woman Is Admitted to the Cardiology Center Due