double-contrast enema

injection and evacuation of a suspension of barium, followed by inflation of the intestines with air under light pressure; used in mucosal relief radiography.

Medical dictionary. 2011.

Look at other dictionaries:

  • double contrast enema — noun : barium enema …   Useful english dictionary

  • Double-contrast barium enema — A double contrast barium enema is a procedure in which x rays of the colon and rectum are taken after a liquid containing barium is put into the rectum. Barium is a silver white metallic compound that outlines the colon and rectum on an x ray and …   Wikipedia

  • double contrast — a technique usually used in X ray examinations of the bowel. Barium sulphate contrast medium is used to coat the bowel wall. The bowel is then distended with gas. The X ray images obtained give exquisite detail of the lining of the gut. See also… …   Medical dictionary

  • double contrast — a technique usually used in X ray examinations of the bowel. Barium sulphate contrast medium is used to coat the bowel wall. The bowel is then distended with gas. The X ray images obtained give exquisite detail of the lining of the gut. See also …   The new mediacal dictionary

  • double-contrast barium enema — A procedure in which x rays of the colon and rectum are taken after a liquid containing barium is put into the rectum. Barium is a silver white metallic compound that outlines the colon and rectum on an x ray and helps show abnormalities. Air is… …   English dictionary of cancer terms

  • contrast medium — n a substance (as a solution of iodine or suspension of barium sulfate) comparatively opaque to X rays that is introduced into the body (as by injection or swallowing) to contrast an internal part (as the gastrointestinal tract, kidneys, or blood …   Medical dictionary

  • contrast medium — contrast agent a substance administered to enhance the visibility of structures (i.e. increase the contrast) during imaging. In radiography a positive contrast agent (e.g. barium sulphate or a water soluble iodine containing compound) increases… …   The new mediacal dictionary

  • enema — A rectal injection for clearing out the bowel, or administering drugs or food. [G.] air contrast e. a radiographic double contrast e. in which air is introduced after coating of the colon with a dense barium suspension. SYN …   Medical dictionary

  • Enema, barium — A series of x rays of the lower intestine (colon) and rectum that are taken after the patient is given an enema with a white, chalky solution that contains barium. The barium outlines the intestines on the x rays. These x rays permit the… …   Medical dictionary

  • Barium enema — A series of x rays of the lower intestine (colon) and rectum that are taken after the patient is given an enema with a white, chalky solution that contains barium. The barium outlines the intestines on the x rays. These x rays permit the… …   Medical dictionary


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