title: Familial congenital bundle branch system disease.
mesh_terms: D000293:Adolescent; D001344:Autopsy; D002037:Bundle-Branch Block / Q000151:congenital / Q000235:genetics*; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications / Q000473:pathology / Q000503:physiopathology; D006329:Heart Conduction System / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D008297:Male; D009206:Myocardium / Q000473:pathology; D014693:Ventricular Fibrillation / Q000150:complications