title: Two-dimensional echocardiography in congenital heart disease. 1. Pre-operative assessment.
mesh_terms: D006328:Cardiac Catheterization; D002648:Child; D002675:Child, Preschool; D002932:Cineangiography; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis; D004452:Echocardiography; D004694:Endocardial Cushion Defects / Q000175:diagnosis; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011651:Pulmonary Artery / Q000002:abnormalities; D013771:Tetralogy of Fallot / Q000175:diagnosis; D014188:Transposition of Great Vessels / Q000175:diagnosis