Pediatric radiofrequency ablation of cardiac parasympathetic ganglia to achieve vagal denervation

摘要

a: A 3.3-second period of high-grade atrioventricular (AV) block without ventricular escape on the patient's initial inpatient Holter monitor. b: High-grade AV block with a fascicular escape rhythm noted after 18 seconds from his implanted cardiac monitor. Vertical arrows refer to representative P waves that are not conducted.