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Hypomagnesaemia

Authoring team

Hypomagnesaemia is a low magnesium level in the blood.

Classification of hypomagnesaemia:

Hypomagnesaemia is defined as less than 0.7mmol/L of serum magnesium.

  • Mild
    • 0.5 to 0.7mmol/L serum magnesium.
    • Clinical signs
      • no symptoms or non-specific symptoms, such as lethargy, muscle cramps, or muscle weakness
  • Severe
    • Less than 0.5mmol/L serum magnesium.
    • Clinical signs
      • severe neurologic symptoms such as nystagmus, tetany, seizures, and cardiac arrhythmias

Reference:

  1. NHS Specialist Pharmacy Service (December 2024). Treating acute hypomagnesaemia in adults

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The content herein is provided for informational purposes and does not replace the need to apply professional clinical judgement when diagnosing or treating any medical condition. A licensed medical practitioner should be consulted for diagnosis and treatment of any and all medical conditions.

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