Use of percutaneous catheter ablation with radiofrequency current for cardiac arrhythmias is expanding rapidly. Technical ease, high success and low complication rates have allowed RFCA to become standard treatment for accessory AV connections and is the therapeutic procedure of choice for patients with atrioventricular node reentry tachycardias. Techniques still being investigated and evaluated for the treatment of supraventricular tachycardias include laser catheter ablation, cryocatheter ablation and microwave catheter ablation. With further clinical experience, the efficacy and safety of these and other procedures can be determined.

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