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An Update on the Energy Sources and Catheter Technology for the Ablation of Atrial Fibrillation

The ablation of atrial fibrillation (AF) is an area of intense research in cardiac electrophysiology.  In this review, we discuss the development of catheter-based interventions for AF ablation.  We outline the pathophysiologic and anatomic bases for ablative lesion sets and the evolution of various catheter designs for the delivery of radiofrequency (RF), cryothermal, and other ablative energy sources.  The strengths and weaknesses of various specialized RF catheters and alternative energy systems are delineated, with respect to efficacy and patient safety. 

Credits: Pawan K. Arora MBBS; James C. Hansen MD; Adam D. Price MD; Josef Koblish, Boaz Avitall MD PhD, FHRS

Biosense Webster
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Introduction to AFib
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