Detection of circulatory shunts by use of a radioactive gas.
D006330:Heart Defects, Congenital; D006343:Heart Septal Defects; D006346:Heart Septum / Q000002:abnormalities*; D007455:Iodine; D007457:Iodine Radioisotopes
D007457:Iodine Radioisotopes; D007455:Iodine
CARDIAC SEPTUM/abnormalities; IODINE/radioactive