Pyloric stenosis laboratory findings
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Mohamadmostafa Jahansouz M.D.[2]
Overview
Most common laboratory findings consistent with the diagnosis of infantile pyloric stenosis and adult type pyloric stenosis include hypokalemia, hypochloremia, and metabolic alkalosis.
Laboratory Findings
- Laboratory findings consistent with the diagnosis of pyloric stenosis include electrolyte imbalances such as:[1][2][3]
- Hypokalemia
- Hypochloremia
- Metabolic alkalosis due to loss of gastric acid (which contains hydrochloric acid and potassium) via persistent vomiting.
- Any condition with severe vomiting may present with similar findings.
References
- ↑ Tutay GJ, Capraro G, Spirko B, Garb J, Smithline H (2013). "Electrolyte profile of pediatric patients with hypertrophic pyloric stenosis". Pediatr Emerg Care. 29 (4): 465–8. doi:10.1097/PEC.0b013e31828a3006. PMID 23528507.
- ↑ Yu HR, Huang SC, Hsieh CS (1998). "Infantile hypertrophic pyloric stenosis presenting as pseudo-Bartter's syndrome and seizures: report of one case". Zhonghua Min Guo Xiao Er Ke Yi Xue Hui Za Zhi. 39 (3): 195–7. PMID 9684526.
- ↑ Breaux CW, Hood JS, Georgeson KE (1989). "The significance of alkalosis and hypochloremia in hypertrophic pyloric stenosis". J Pediatr Surg. 24 (12): 1250–2. PMID 2593055.