A 58-year-old man with atrial fibrillation on warfarin (INR 2.5) presents to the outpatient clinic. He has recently been started on amiodarone 200 mg daily for rate control. Two weeks later, his INR is 5.2 and he has mild epistaxis. What is the mechanism of this drug interaction?

See the options, answer & explanation

Sign in free to reveal the answer choices, the correct answer, the detailed explanation, and AI-powered insights for this question.