FAMILIAL CONGENITAL HEART BLOCK.
D000293:Adolescent; D002318:Cardiovascular Diseases; D002648:Child; D004562:Electrocardiography; D005826:Genetics, Medical; D006327:Heart Block / Q000151:congenital; D006330:Heart Defects, Congenital; D006801:Humans; D007223:Infant; D007231:Infant, Newborn
ADOLESCENCE; CHILD; ELECTROCARDIOGRAPHY; GENETICS, HUMAN; HEART BLOCK; HEART DEFECTS, CONGENITAL; INFANT; INFANT, NEWBORN