Beta Blockers USMLE Step 1 Practice Question
A 26-year-old man presents to the emergency department with acute chest pain following cocaine use. Vital signs show BP 168/104 mmHg, HR 138/min, RR 22/min, and normal SpO2. He appears anxious and diaphoretic. ECG demonstrates sinus tachycardia without ST elevation or T-wave changes. Troponin is negative. He denies prior cardiac history or current beta-blocker use. Which pharmacologic agent is most appropriate for initial management?
Answer choices
- APhenylephrine
- BPropranolol
- CAtropine
- DBenzodiazepinesCorrect answer
- EDigoxin
- FImmediate beta-blockade with metoprolol
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