A 65yo man presents with dyspnea 3d after an MI. On auscultation he has a pansystolic murmur at the apex radiating to the axilla. What is the most likely dx?
a. Ruptured papillary muscle
b. Ventricular aneurysm
c. Pericarditis
d. Pericardial effusion e. VSD
Ans. The key is A. Ruptured papillary muscle. [Pansystolic murmur in apex radiating to axilla may be due to mitral regurgitation secondary to papillary muscle rupture