title: Prevention of crackle in double contrast examinations of the colon.
abstract: Crackle of the barium contrast during double contrast examinations of the colon probably results from a drying effect due to resorption of water. The duration of the examination should therefore be kept as short as possible and the patient should be well hydrated. The tendency to crackle can be decreased by increasing the molality of the barium enema by suspending barium contrast in 0.4% saline.
mesh_terms: D000328:Adult; D001466:Barium Sulfate / Q000009:adverse effects*; D002648:Child; D003106:Colon / Q000000981:diagnostic imaging*; D003681:Dehydration / Q000517:prevention & control; D004733:Enema; D006801:Humans; D007413:Intestinal Mucosa / Q000000981:diagnostic imaging; D011859:Radiography
chemical_list: D001466:Barium Sulfate