MSFinals-0307

A 54-year-old man comes to his doctor for a regular check-up after experiencing a heart attack 6 weeks ago. During the examination, he appears unwell, sweaty, and clammy, and mentions feeling constantly feverish. His recent blood work reveals an elevated erythrocyte sedimentation rate (ESR) and anemia. What is the most probable post-heart attack complication that this man is experiencing?