Review Question - QID 216624

A 72-year-old man presents to the emergency department after fainting several times. The patient was at home cooking when he suddenly fainted, falling to the ground. He awoke seconds later and was back at his baseline. He subsequently had another episode of syncope while watching television in his recliner that began suddenly, lasted less than a minute, then resolved with a rapid return to his baseline. The patient cannot recall any prodrome prior to each episode. The patient has a past medical history of diabetes, peripheral vascular disease, a heart attack, and a transient ischemic attack. He is on many medications but cannot recall their names. His temperature is 97.7°F (36.5°C), blood pressure is 154/77 mmHg, pulse is 80/min, respirations are 16/min, and oxygen saturation is 98% on room air. Physical exam reveals a normal cardiopulmonary and neurologic exam. An ECG is notable for sinus rhythm. The patient’s laboratory studies including a troponin are unchanged from the patient’s baseline. Which of the following is the most appropriate next step in management?