Background and Purpose- For patients with atrial fibrillation and ischemic stroke (IS), current guidelines recommend oral anticoagulation (OAC) alone for secondary prevention of IS. At discharge, 8.0% were prescribed no antithrombotic therapy, 21.6% antiplatelet therapy alone, 39.3% OAC (warfarin) alone, and 31.1% combination OAC and antiplatelet therapy.

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