Review Question - QID 212560

A 42-year-old man comes to the emergency department complaining of chest pain. He states that he was at the grocery store when he developed severe, burning chest pain along with palpitations and nausea. He screamed for someone to call an ambulance. He says this has happened before, including at least 4 episodes in the past month that were all in different locations including once at home. He is worried that it could happen at work and affect his employment status. He has no significant past medical history, and reports that he does not like taking medications. He has had trouble in the past with compliance due to side effects. The patient’s temperature is 98.9°F (37.2°C), blood pressure is 133/74 mmHg, pulse is 110/min, and respirations are 20/min with an oxygen saturation of 99% on room air. On physical examination, the patient is tremulous and diaphoretic. He continually asks to be put on oxygen and something for his pain. An electrocardiogram is obtained that shows tachycardia. Initial troponin level is negative. A urine drug screen is negative. Thyroid stimulating hormone and free T4 levels are normal. Which of the following is first line therapy for the patient for long-term management?