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Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Hypokalaemia is often asymptomatic. Symptoms generally do not become present until serum potassium is below 3.0 mEq/L (1,2)

Possible signs and symptoms of hypokalaemia include:

  • cardiac
    • dysrhythmias
    • conduction defects
  • lethargy/confusion
  • skeletal muscle
    • weakness/rhabdomyolysis
    • flaccid paralysis
    • fasciculations and tetany: extensor muscle spasms of hands and feet
  • paraesthesiae of hands and feet
  • gastrointestinal
    • ileus
    • nausea
    • vomiting
    • abdominal distension
  • renal
    • polyuria (1)

Reference:

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