Atrial fibrillation treatment with catheter shows better results than drug therapy

Use of catheter ablation, in which radiofrequency energy is emitted from a catheter to eliminate the source of an irregular heartbeat, resulted in significantly better outcomes in patients with paroxysmal atrial fibrillation (intermittent cardiac rhythm disturbance) who had not responded previously to antiarrhythmic drug therapy, according to a study in the January 27 issue of JAMA.

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