us-abim MCQ (SBA): Atrial Fibrillation

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MediumCardiologyAtrial Fibrillationus-abimus-abfmus-usmle-step-2us-usmle-step-3

A 68-year-old man with paroxysmal atrial fibrillation, hypertension, and type 2 diabetes (CHA₂DS₂-VASc score 3) presents for stroke prevention counseling. Renal and hepatic function are normal; no valvular disease is present. Which strategy best reduces his risk of stroke?

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