title: Continuous wave Doppler ultrasonographic quantitation of patent ductus arteriosus flow.
mesh_terms: D000293:Adolescent; D001166:Arteriovenous Shunt, Surgical; D002648:Child; D002675:Child, Preschool; D004374:Ductus Arteriosus, Patent / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000601:surgery; D004562:Electrocardiography; D005865:Gestational Age; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000601:surgery; D007235:Infant, Premature, Diseases / Q000000981:diagnostic imaging / Q000503:physiopathology* / Q000601:surgery; D011877:Radionuclide Imaging; D014465:Ultrasonics