A 63-year-old Caucasian male presents to the clinic for evaluation of recurrent chest discomfort that he describes as pressure and pain in his left jaw and shoulder. Previously, the sensation occurred...

A 63-year-old Caucasian male presents to the clinic for evaluation of recurrent chest discomfort that he describes as pressure and pain in his left jaw and shoulder. Previously, the sensation occurred only after walking up a few flights of stairs, but now the sensation occurs at rest. You warn him that he has a 30% chance of having a MI in the next three months. What is his diagnosis?

A. Stable angina

B. Unstable angina

C. Unremitting angina

D. Myocardial infarct