USMLE® Step 1 style questions USMLE
USMLE® Step 2 style questions USMLE
A 45-year-old man with a history of myocardial infarction comes to the emergency department because of heart palpitations and sweating that began an hour ago. On arrival, the patient is alert but very disoriented. His temperature is 37°C (98.6°F), pulse is 172/min, respirations are 19/min, and blood pressure is 110/95 mm Hg. A rhythm strip is obtained en route and is shown below.The patient is admitted for treatment. After obtaining intravenous access, which of the following is the most appropriate next step in the treatment of this patient?