Patency of the peritoneovenous shunt.
D001201:Ascites / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D007601:Jugular Veins / Q000000981:diagnostic imaging / Q000601:surgery*; D010529:Peritoneal Cavity / Q000000981:diagnostic imaging / Q000601:surgery*; D011877:Radionuclide Imaging