Review Question - QID 216716

A 75-year-old woman presents to the emergency room due to a 1-hour history of abdominal pain and chest discomfort. She reports that her pain came on suddenly and is associated with increased sweating and general discomfort. She also has nausea and has vomited once. She has a medical history of hypertension and diabetes. Her temperature is 98.3°F (36.8°C), blood pressure is 110/80 mmHg, pulse is 94/min, respirations are 20/min, and oxygen saturation is 98% on room air. Physical exam reveals an uncomfortable woman who is sweating. Regular S1 and S2 heart sounds are auscultated with no murmurs. Her breath sounds are clear. An ECG is obtained as seen in Figure A. Which of the following treatments lowers morality the greatest for this patient?