A 65-year-old Caucasian male who was recently admitted to the hospital for a MI presents to the ER several weeks later complaining of chest pain. He says this pain is different from before, and on...

A 65-year-old Caucasian male who was recently admitted to the hospital for a MI presents to the ER several weeks later complaining of chest pain. He says this pain is different from before, and on physical exam a loud friction rub is present. What is his diagnosis?

A. Stable angina pectoris

B. Unstable angina pectoris

C. Myocardial infarct

D. Pericarditis