aspirin instead of warfarin to prevent stroke in patients with nonvalvular atrial fibrillation

June 2003

When is it appropriate to use aspirin instead of warfarin to prevent stroke in patients with nonvalvular atrial fibrillation?

The trend has been to give most patients warfarin.

Warfarin is more effective than aspirin...but it's more difficult to use and causes more bleeding.

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Table of Contents

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