title: Sites of congenital and surgical heart block as defined by His bundle electrocardiography.
mesh_terms: D000293:Adolescent; D000328:Adult; D001285:Atropine / Q000494:pharmacology; D001919:Bradycardia / Q000209:etiology; D002037:Bundle-Branch Block / Q000175:diagnosis; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications / Q000151:congenital / Q000175:diagnosis* / Q000209:etiology*; D006329:Heart Conduction System / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D007545:Isoproterenol / Q000494:pharmacology; D008297:Male; D011183:Postoperative Complications; D013771:Tetralogy of Fallot / Q000601:surgery
chemical_list: D001285:Atropine; D007545:Isoproterenol