title: Alternative mechanisms of apparent supernormal atrioventricular conduction.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D001919:Bradycardia / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000503:physiopathology; D006328:Cardiac Catheterization; D004562:Electrocardiography; D006327:Heart Block / Q000503:physiopathology; D006329:Heart Conduction System / Q000502:physiology* / Q000503:physiopathology; D006801:Humans