Lactose intolerance laboratory findings: Difference between revisions
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==Overview== | ==Overview== | ||
Laboratory findings consistent with the diagnosis of lactose intolerance | Laboratory findings consistent with the diagnosis of lactose intolerance include stool osmotic gap of >125 mOsm/kg, stool pH <6. | ||
==Laboratory Findings== | ==Laboratory Findings== | ||
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Revision as of 14:39, 13 December 2017
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Mahda Alihashemi M.D. [2]
Overview
Laboratory findings consistent with the diagnosis of lactose intolerance include stool osmotic gap of >125 mOsm/kg, stool pH <6.
Laboratory Findings
- Laboratory findings consistent with the diagnosis of lactose intolerance include:[1]
- Stool osmotic gap of >125 mOsm/kg due to unabsorbed carbohydrates.
- Stool osmotic gap: 290−[(Na+K) × 2]
- Stool pH <6 due to bacterial fermentation of unabsorbed lactose to hydrogen gas in the colon.
- Stool osmotic gap of >125 mOsm/kg due to unabsorbed carbohydrates.
References
- ↑ Kvissberg MA, Dalvi PS, Kerac M, Voskuijl W, Berkley JA, Priebe MG, Bandsma RH (2016). "Carbohydrate malabsorption in acutely malnourished children and infants: a systematic review". Nutr. Rev. 74 (1): 48–58. doi:10.1093/nutrit/nuv058. PMC 4684688. PMID 26578625.