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A Quick Reference on Hypokalemia.

Márcia Mery Kogika1, Helio Autran de Morais2

  • 1Department of Internal Medicine, School of Veterinary Medicine and Animal Science, University of São Paulo, Av. Prof. Dr. Orlando Marques de Paiva, 87, São Paulo 05508-270, São Paulo, Brazil.

The Veterinary Clinics of North America. Small Animal Practice
|December 13, 2016
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Summary
This summary is machine-generated.

Hypokalemia, or low potassium, is more common than hyperkalemia. It often results from excessive potassium loss via kidneys or the gastrointestinal tract, requiring investigation in specific patient groups.

Keywords:
CatDogFractional excretionHypokalemiaPotassium

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Area of Science:

  • Internal Medicine
  • Clinical Biochemistry

Background:

  • Hypokalemia is a prevalent electrolyte imbalance, frequently exceeding hyperkalemia in occurrence.
  • Common etiologies involve excessive potassium depletion from renal or gastrointestinal pathways.

Purpose of the Study:

  • To outline the clinical significance and diagnostic considerations for hypokalemia.
  • To identify patient populations and clinical scenarios warranting serum potassium assessment.

Main Methods:

  • Review of established medical literature and clinical guidelines pertaining to potassium homeostasis.
  • Analysis of common causes and clinical manifestations of hypokalemia.

Main Results:

  • Hypokalemia is typically caused by significant potassium losses through the kidneys or gastrointestinal tract.
  • Indications for serum potassium testing include chronic vomiting/diarrhea, polyuria, muscle weakness, cardiac arrhythmias, and specific medical therapies.

Conclusions:

  • Serum potassium evaluation is crucial in patients exhibiting symptoms or risk factors associated with hypokalemia.
  • Clinical signs of hypokalemia manifest with moderate to severe potassium deficits.