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

A 72-year-old with nonvalvular atrial fibrillation (paroxysmal episodes >24 hours) has CHA₂DS₂-VASc=3 (age, hypertension). Creatinine 1.0 mg/dL, weight 85 kg. What is the most appropriate long-term strategy to reduce stroke risk?

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