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Studies on the neutralization of gastric acidity: Ewald test meal and X-ray (barium meal) studies in patients with duodenal ulcer, gastro-jejunostomy and gastric resection

  • Experimental Physiology
  • Published:
The American Journal of Digestive Diseases

Summary

1. Gastric studies of 25 patients were made by means of x-ray (after a barium meal), fractional Ewald test meals and neutralization curves of gastric acidity. The patients comprised those with x-ray evidence of ulcer, both with and without symptoms, those with symptoms of ulcer but with negative x-ray findings, and those with gastro-enterostomies and gastric resections.

2. The findings obtained by means of the neutralization test suggest that it is a more useful method of studying gastric acidity than is the Ewald fractional test meal since it gives more uniform results.

3. As an indication of perverted function the neutralization test shows closer agreement with the clinical picture in many cases than with other tests including the x-ray.

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Author information

Authors and Affiliations

  1. St. Louis, Missouri

    Robert Elman M.D.

  2. Montreal, Canada

    J. Wendell MacLeod M.D.

Authors
  1. Robert Elman M.D.
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  2. J. Wendell MacLeod M.D.
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Additional information

From the Departments of Surgery and Medicine, Washington University School of Medicine and Barnes Hospital, St. Louis, Missouri.

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Elman, R., MacLeod, J.W. Studies on the neutralization of gastric acidity: Ewald test meal and X-ray (barium meal) studies in patients with duodenal ulcer, gastro-jejunostomy and gastric resection. American Journal of Digestive Diseases and Nutrition 2, 21–26 (1935). https://doi.org/10.1007/BF03002335

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  • DOI: https://doi.org/10.1007/BF03002335

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