Stroke associated with atrial fibrillation

Introduction
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By Salvador Cruz-Flores MD and Tagann Chaisam MD

Atrial fibrillation is responsible for almost half of all strokes with a cardioembolic source. In this clinical article, Drs. Cruz-Flores and Chaisam from Saint Louis University discuss the causal association of atrial fibrillation in stroke, the role of anticoagulation in stroke prevention, and the risk stratification strategies that currently exist to help select, at the bedside, those patients who benefit the most from anticoagulation and those with the highest risk of hemorrhagic complications from such therapy.