USMLE Step 1 - Question 33

A 45 year old male presents with substernal chest pressure and is found to have elevated troponin levels consistent with a large myocardial infarction. Which of the following interventions can best decrease myocardial oxygen demand and potentially reduce the size of the infarction?

A. Nitroglycerine infusion

B. Beta-blocker administration

C. Aspirin

D. Loop diuretic administration

E. Dobutamine infusion