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Magnesium in the Critically Ill Patient.

Efa Llewellyn1, Simone Cutler1

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Dysmagnesemia, or abnormal magnesium levels, is frequent in critically ill patients. This condition is linked to longer hospital stays and higher mortality rates, necessitating careful management.

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Area of Science:

  • Biochemistry
  • Physiology
  • Critical Care Medicine

Background:

  • Magnesium is a vital electrolyte for numerous bodily functions.
  • Dysmagnesemia (hypomagnesemia or hypermagnesemia) is prevalent in critically ill patients.
  • Abnormal magnesium levels correlate with adverse outcomes like prolonged hospitalization and increased mortality.

Purpose of the Study:

  • To review magnesium homeostasis and its physiological roles.
  • To identify causes of dysmagnesemia in critically ill patients.
  • To outline clinical manifestations and treatment strategies for dysmagnesemia.

Main Methods:

  • Literature review on magnesium physiology and homeostasis.
  • Analysis of causes and clinical presentations of dysmagnesemia.
  • Summary of current treatment guidelines for magnesium imbalances.

Main Results:

  • Magnesium is crucial for biochemical and physiological processes.
  • Causes of dysmagnesemia in critical illness are multifactorial.
  • Dysmagnesemia presents with diverse clinical and biochemical abnormalities.

Conclusions:

  • Understanding magnesium's role is key to managing critical illness.
  • Prompt diagnosis and treatment of dysmagnesemia can improve patient outcomes.
  • This review provides a comprehensive overview for clinicians managing magnesium imbalances.