ISSN 2398-2950      

Fluid therapy: for intestinal obstruction


John Dodam

Claire Waters


  • Fluid, electrolyte and acid-base imbalances occur via vomiting and sequestration into the bowel.
  • Prolonged obstruction results in a net secretion of water, sodium and potassium into the intestinal lumen.
  • Severity of water and electrolyte loss is greater the more proximal the obstruction.
  • Obstruction of the proximal duodenum may result in hypochloremia due to loss of chloride in vomitus, and metabolic alkalosis.
  • Obstruction distal to the duodenum may result in loss of bicarbonate and metabolic acidosis.


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Further Reading


Refereed papers

Other sources of information

Johnson S E (1992) Fluid therapy for gastrointestinal, pancreatic, and hepatic disease. In: Fluid Therapy in Small Animal Practice. Ed S P DiBartola. Philadelphia: W B Saunders. pp 507-517.

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