"Classic" approach yields best results in AFib surgery.  Blocking more electrical paths in the heart reduces abnormal rhythms.
D000889:Anti-Arrhythmia Agents / Q000627:therapeutic use; D001281:Atrial Fibrillation / Q000188:drug therapy / Q000601:surgery*; D006348:Cardiac Surgical Procedures / Q000379:methods*; D006801:Humans; D012307:Risk Factors
D000889:Anti-Arrhythmia Agents