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  • Title: Evaluation of three effervescent agents for double-contrast upper gastrointestinal radiography.
    Author: Koehler RE, Weyman PJ, Stanley RJ, Lee JK, Balfe DM.
    Journal: Gastrointest Radiol; 1981; 6(2):111-4. PubMed ID: 7250624.
    Abstract:
    The agent used to introduce gas into the stomach is an important factor in determining the quality of double-contrast upper gastrointestinal radiography. The efficacy of 3 effervescent agents formulated for use in double-contract upper gastrointestinal radiography was evaluated in 300 patients. Patients found 2 granular preparations (E-Z-Gas granules and Baros) easier to swallow than a powdered agent (E-Z-Gas powder). Bubble formation and flocculation of barium in the stomach were less of a problem with Baros. Differences in mucosal coating and visualization of area gastricae were not statistically significant.
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