title: The hereditary nature of adult-onset heart block.
mesh_terms: D000328:Adult; D000368:Aged; D000375:Aging; D004562:Electrocardiography; D005149:Facial Expression; D005260:Female; D005799:Genes, Dominant; D006327:Heart Block / Q000175:diagnosis / Q000235:genetics*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree