Summary
Giardia lamblia was present in the stools of 78 out of 2,522 unselected patients studied at the North Carolina Baptist Hospital over a three year period ending December 31, 1949.
Gastrointestinal complaints, most frequently pain and diarrhea, were present in 40 per cent of the infected patients.
Accessory laboratory studies, including blood counts and roentgen studies of the gastrointestinal tract and gallbladder, were of no diagnostic aid.
The patients who had blood in the stools, anemia, fever, weight loss, or other systemic manifestations usually had other findings besides Giardia to account for their complaints.
Giardia infestation is common, but usually produces few or no symptoms. It can be rapidly eliminated with Atabrine, and may disappear spontaneously.
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McMurray, C.M., Cayer, D. An evaluation of findings in giardia infestation. Amer. Jour. Dig. Dis. 18, 90–92 (1951). https://doi.org/10.1007/BF02891740
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DOI: https://doi.org/10.1007/BF02891740