Sudden unexpected death in three generations.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D003645:Death, Sudden; D005260:Female; D005826:Genetics, Medical; D006329:Heart Conduction System / Q000002:abnormalities; D006330:Heart Defects, Congenital / Q000401:mortality; D006801:Humans; D008297:Male; D013575:Syncope / Q000453:epidemiology