At present, radiofrequency ablation shows promising results in those patients with focal atrial fibrillation presenting drug intolerance or who prefer not to use long-term medication. Though good quality trials are still necessary to clear up the benefits and certain aspects related to which is the best technique to use, it is a practice usually covered in health organizations for focal atrial fibrillation with intolerance to drug therapy. For those patients presenting non focal or chronic atrial fibrillation this procedure is still at experimental stage being its use not recommended.