USMLE Step 2 Quiz
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GASTROENTEROLOGY
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A 55-year-old man with known cirrhosis is brought to the emergency department after vomiting a large amount of bright red blood. His blood pressure is 90/50 mm Hg, and his heart rate is 120/min. Two large-bore intravenous lines are established, and crystalloid infusion is initiated.
In addition to hemodynamic resuscitation and securing the airway, which of the following is the most important initial pharmacologic intervention?
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