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Aetiology

Authoring team

The causes of hyponatraemia may be categorised into:

  • hypervolaemic with increased total body sodium and body water
  • normovolaemic with normal total body sodium and slightly increased body water
  • hypovolaemic with greatly reduced total body sodium and reduced body water

Reference

  1. Adrogué HJ, Tucker BM, Madias NE. Diagnosis and management of hyponatremia: a review. JAMA. 2022 Jul 19;328(3):280-91.

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