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Previous Volume 338:623-624 February 26, 1998 Number 9 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: We would like to comment on the Images in Clinical Medicine showing barium impaction in the sigmoid colon (Oct. 30 issue),¹ because this complication is rare if some precautions are taken.

For two days before the examination the patient should be given a low-residue diet and fluids to ensure adequate hydration. On the day of the examination the patient should drink plenty of clear fluids. Laxatives with various actions may be given, such as stimulants (bisacodyl), hyperosmolar agents (magnesium sulfate), and directly acting substances (anthraquinone derivatives). We use ricinus oil and a solution containing 400 mg of . . . [Full Text of this Article]

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