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Is Cryo A Better Energy Source Than Radiofrequency For AF Ablation In Preventing Esophageal Injury?

Atrial fibrillation (AF) is by far the most common tachyarrhythmia in humans. Prevalence of this rhythm disorder is 0.3-0.4% of adult population and increases with age from 2-4% in people over the age of 60 to 11.6 % in those over the age of 75 . In recent years, increasing number of patients are subjected to catheter ablation in an effort to cure AF. It has been shown that a successful AF ablation results in improved quality of life as well as left ventricular function when compared to other treatment modalities including pharmacologic treatment and pacemaker devices . Most ablation strategies today target electrical isolation of the pulmonary veins (PVs), which are believed to be the site of major foci triggering AF .

Credits: Pawan K. Arora MBBS; James C. Hansen MD; Rakesh Latchamsetty MD; Boaz Avitall MD PhD FHRS

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Introduction to AFib
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