Familial heart block and sinus bradycardia. Classification and natural history.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001146:Arrhythmia, Sinus / Q000235:genetics* / Q000401:mortality; D001281:Atrial Fibrillation / Q000235:genetics; D001919:Bradycardia / Q000235:genetics* / Q000401:mortality; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006321:Heart / Q000254:growth & development; D006327:Heart Block / Q000235:genetics* / Q000401:mortality; D006329:Heart Conduction System / Q000002:abnormalities; D006330:Heart Defects, Congenital / Q000235:genetics; D006801:Humans; D008297:Male; D008875:Middle Aged; D010375:Pedigree; D011379:Prognosis