Equis ISSN 2398-2977

Anesthesia: monitoring - acid base and electrolyte

Contributor(s): Kate Baker, Dennis R Gieser, Mark Senior

Introduction

  • Acid-base and electrolyte abnormalities are relatively common in the anesthetized patient especially neonates and patients with gastrointestinal disorders.
  • Monitoring of these parameters is essential to enable accurate and appropriate therapy.
  • Arterial and venous blood gas results can provide information about:
    • Acid-base status.
    • Peripheral blood flow.
    • Pulmonary gas exchange.
  • Venous samples aid interpretation of hypercapnia and acidosis at the tissue level.
  • Arterial blood samples aid interpretation of pulmonary gas exchange.

Equipment and technical skill

  • Requires arterial puncture and analysis, ie blood-gas machines, are becoming widely used and available.

Methodology

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Respiratory disorders

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Metabolic disorders

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Other electrolyte abnormalities during anesthesia

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Conclusion

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Further Reading

Publications

Refereed papers
  • Corley K T T & Marr C M (1998)Pathophysiology, assessment and treatment of acid-base disturbances in the horse. Equine Vet Educ10(5), 255-265.


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