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Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Hypomagnesaemia produces a similar picture to hypocalcaemia and may through it's effects on parathyroid hormone secretion and action, cause hypocalcaemia.

Typical features include:

  • tetany
  • muscle twitching
  • depression
  • irritability and aggression
  • convulsions
  • tachycardia and cardiac dysrhythmias:
    • ST segment depression
    • T wave inversion
    • prolonged QT interval

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