title: Theoretical approach to discrimination of atrial and ventricular septal defects when the left-to-right cardiac shunt is diagnosed by radionuclide angiography.
mesh_terms: D055592:Biophysical Phenomena; D001703:Biophysics; D003326:Coronary Circulation; D003937:Diagnosis, Differential; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D006345:Heart Septal Defects, Ventricular / Q000000981:diagnostic imaging*; D006801:Humans; D008955:Models, Cardiovascular; D011652:Pulmonary Circulation; D011877:Radionuclide Imaging