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ModerateCardiologyAtrial Fibrillationus-abimus-usmle-step-2us-usmle-step-3

An otherwise healthy 68-year-old man with nonvalvular atrial fibrillation has hypertension and type 2 diabetes (CHA2DS2-VASc = 2). He has no history of bleeding and normal renal function. Which is the single best next step for stroke prevention?

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