Adult-onset familial infra-Hisian block.
D000368:Aged; D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000209:etiology; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000150:complications / Q000235:genetics*; D006329:Heart Conduction System / Q000473:pathology / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009154:Mutation; D010375:Pedigree; D013575:Syncope / Q000209:etiology; D013997:Time Factors