Significance of the S1S2S3 electrocardiographic pattern in children.
D000293:Adolescent; D001017:Aortic Coarctation; D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D003490:Cyanosis; D004374:Ductus Arteriosus, Patent; D004562:Electrocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006343:Heart Septal Defects; D006801:Humans; D011666:Pulmonary Valve Stenosis; D013771:Tetralogy of Fallot; D014188:Transposition of Great Vessels; D014672:Vectorcardiography