A 58-year-old female asked:
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electrophysiologist: what would indicate the need for a substrate catheter ablation for some one who is only a paroxysmal afibber? thanks

3 doctor answers
Dr. Atique Mirza
30 years experience Cardiology
Medication failure: If you fail the medication treatment then you have the indication for ablation.
Answered on Mar 19, 2014
Dr. Bennett Werner
43 years experience Cardiology
Symptoms: Intolerable symptoms and failure of medical therapy. From your profile, it would seem that you've failed flecainide. Tikosyn/dofetilide can be used, but ablation is likely to be more effective, especially if combined with meds. If you have no symptoms, i personally wouldn't do it.
Answered on Mar 20, 2014
Dr. Miguel Salazar
16 years experience Cardiac Electrophysiology
Depends : It all depends on what is driving and or triggering your atrial fibrillation. The standard approach for someone with paroxysmal afib is a pulmonary vein isolation. However, if these patients are put into atrial fibrillation and then ablated with complex fractionated electro gram (CFAE) ablations - sometimes the triggers and substrate for afib are not localized to the region of the pulmonary veins.
Answered on Oct 18, 2015

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