title: Detection of circulatory shunts by means of external counting method. Differentiation between ASD and VSD, semiquantitative estimation of left-to-right shunt, and the detection of right-to-left shunt.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D004374:Ductus Arteriosus, Patent / Q000503:physiopathology; D006321:Heart / Q000503:physiopathology; D006344:Heart Septal Defects, Atrial / Q000503:physiopathology*; D006345:Heart Septal Defects, Ventricular / Q000503:physiopathology*; D006801:Humans; D007201:Indicator Dilution Techniques; D007457:Iodine Radioisotopes; D008168:Lung / Q000503:physiopathology; D008875:Middle Aged; D011666:Pulmonary Valve Stenosis / Q000503:physiopathology
chemical_list: D007457:Iodine Radioisotopes