Cardiac malformations associated with Down's syndrome.

Adolescent Adult Child Child, Preschool Down Syndrome/complications Ductus Arteriosus, Patent/complications Female Fistula/congenital Heart Atria/abnormalities Heart Defects, Congenital/complications Heart Septal Defects, Atrial/complications Heart Septal Defects, Ventricular/complications Heart Ventricles/abnormalities Humans Infant Infant, Newborn Male Tetralogy of Fallot/complications