nmbme 36 3 4 - 25hydroxylase

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36. A previously healthy 65-year-old man is brought to the emergency department because of severe chest pain for 1 hour. His pulse is 95/min, and blood pressure is 160/110 mm Hg. The lungs are clear to auscultation. An S4 gallop and a grade 2/6 systolic murmur are heard at the apex. An ECG shows 3 mm of ST-segment elevation in leads V2 through V5. The most appropriate treatment includes immediate administration of which of the following?

A. Captopril
B. Digoxin
C. Furosemide
D. Magnesium
E. Tissue plasminogen activator