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Review Question - QID 216352

In scope icon M 7
QID 216352 (Type "216352" in App Search)
A 68-year-old man is admitted to the hospital post-operatively after an elective cholecystectomy for symptomatic cholelithiasis. He was incidentally found to have asymptomatic atrial fibrillation while on continuous cardiac monitoring. His past medical history includes type 2 diabetes mellitus and hypertension, for which he takes metformin and amlodipine. His temperature is 36.6°C (97.9°F), blood pressure is 139/84 mmHg, pulse is 92/min, respirations are 15/min, and oxygen saturation is 98% on room air. Physical exam reveals a well-appearing man. An irregular pulse is noted on cardiac auscultation without any murmurs. Which of the following is the most appropriate next step in management?