Review Question - QID 213762

A 71-year-old man presents to the emergency department with chest pain and shortness of breath. It started 30 minutes ago and has been worsening. The patient states he is generally healthy and has not needed to see a doctor over the past 7 years. His temperature is 98.0°F (36.7°C), blood pressure is 165/90 mmHg, pulse is 88/min, and respirations are 15/min. The patient appears sweaty and uncomfortable. Cardiac auscultation is unremarkable, and the patient has minor bibasilar crackles. An ECG is performed as seen in Figure A. The patient is subsequently treated and discharged after a 2 day hospital stay. He returns 1 week later with chest pain again. An ECG is performed as seen in Figure B. Which of the following is appropriate definitive treatment for this patient?