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Preventing Stroke in Patients with Atrial Fibrillation (Evidence Update for Clinicians)

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Patients with atrial fibrillation have a higher risk for stroke than the general population, and that risk increases markedly with age. Anticoagulation therapy lowers the risk of stroke and improves all-cause mortality. Warfarin has been the mainstay of anticoagulation therapy for decades but has an increased risk of major bleeding and requires a complicated administration regimen.

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