Radionuclide measurement of right-to-left intracardiac shunting.
D000818:Animals; D001783:Blood Flow Velocity; D003490:Cyanosis; D004285:Dogs; D006344:Heart Septal Defects, Atrial / Q000000981:diagnostic imaging*; D011666:Pulmonary Valve Stenosis / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging