title: An intravenous radionuclide method for repeated shunt determinations.
abstract: Using a subtraction technique, repeated shunt determinations were successfully performed on 25 patients with a high degree of correlation.
mesh_terms: D006801:Humans; D007275:Injections, Intravenous; D008173:Lung Diseases, Obstructive / Q000000981:diagnostic imaging; D011868:Radioisotopes / Q000008:administration & dosage*; D011877:Radionuclide Imaging; D013382:Subtraction Technique
chemical_list: D011868:Radioisotopes