title: A review: newer, noninvasive cardiac diagnostic methods.
mesh_terms: D000790:Angiocardiography; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000175:diagnosis; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000175:diagnosis*; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007234:Infant, Premature; D007235:Infant, Premature, Diseases / Q000175:diagnosis; D011652:Pulmonary Circulation; D011877:Radionuclide Imaging; D014692:Ventilation-Perfusion Ratio