“…Up to 3% of patients undergoing radiofrequency catheter ablation develop major complications from the procedure. These complications include AV block, cardiac tamponade, coronary artery spasm, thrombosis, pericarditis, vascular injury, thromboembolism, TIA or stroke, pulmonary hypertension, pneumothorax, left atrial-esophageal fistula, and phrenic nerve paralysis [ 3 ]. Skin burns at the site of an indifferent electrode patch have been a rare, serious, and likely an underreported complication of RFA [ 4 , 5 ].…”