Mother without cardiac history bears second child with heart block.
D000328:Adult; D003240:Connective Tissue Diseases; D004562:Electrocardiography; D005260:Female; D005323:Fetal Monitoring; D006325:Heart Atria / Q000503:physiopathology; D006327:Heart Block / Q000151:congenital / Q000235:genetics* / Q000503:physiopathology; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy