title: [Causes of pauses].
abstract: We discuss the electrocardiogram and differential diagnosis of an apparent type II second-degree atrioventricular block recorded in a 15-year-old girl after successful radiofrequency ablation of a left-sided concealed accessory pathway.
authors: Heart Rhythm Management Institute, Department of Cardiology, Free University of Brussels, Laarbeeklaan 101, 1090 Brussels, Belgium. s.richter@med.uni-frankfurt.de
authors: Sergio
authors: S
authors: Richter
mesh_terms: D000293:Adolescent; D002036:Bundle of His / Q000503:physiopathology; D005117:Cardiac Complexes, Premature / Q000175:diagnosis / Q000503:physiopathology; D017115:Catheter Ablation / Q000009:adverse effects*; D003937:Diagnosis, Differential; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D006801:Humans; D011183:Postoperative Complications / Q000175:diagnosis / Q000209:etiology* / Q000503:physiopathology; D013611:Tachycardia, Atrioventricular Nodal Reentry / Q000601:surgery*