John  Marcus Wharton, M.D., director of the Frank P. Tourville Sr. Arrhythmia Center and of  Clinical Cardiac Electrophysiology  at the MUSC Health Heart and Vascular Center, discusses the complexity of the pathogenesis of atrial fibrillation (AF), the use and limitations of ablation for treatment of AF, and factors that modify long-term outcomes. CME-eligible activity.

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