title: Acquired nonsurgical complete atrioventricular block in a child with endocardial cushion defect.
mesh_terms: D002648:Child; D004314:Down Syndrome / Q000150:complications; D004562:Electrocardiography; D004694:Endocardial Cushion Defects / Q000150:complications*; D005260:Female; D006327:Heart Block / Q000209:etiology*; D006343:Heart Septal Defects / Q000150:complications*; D006801:Humans