A 58-year-old man had an uncomplicated NSTEMI 3 years ago. LVEF is 60%, he is angina-free, and heart rate is 64/min on metoprolol succinate 50 mg daily. Which statement best reflects current guidance on his beta-blocker?AContinue beta-blocker indefinitely for all chronic coronary diseaseBEscalate beta-blocker to achieve resting HR <55/minCConsider discontinuing beta-blocker since >1 year post-MI with preserved EF and no other indicationDStop ACE inhibitor first before changing beta-blockerESwitch to diltiazem to reduce long-term eventsCheck my answer