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

A 68-year-old with nonvalvular atrial fibrillation (CHA₂DS₂‑VASc score 3), normal renal function, and no mechanical valves asks about stroke prevention. Which is the best initial antithrombotic?

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