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[Intoxication with magnesium, a 'forgotten' electrolyte].

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|July 16, 2008
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Summary
This summary is machine-generated.

Magnesium intoxication can be lethal, even when initial symptoms are masked by conditions like sedation. Careful monitoring is crucial for patients with renal failure or other risk factors to prevent severe outcomes.

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Area of Science:

  • Nephrology
  • Critical Care Medicine
  • Clinical Toxicology

Background:

  • Magnesium salts are commonly used and generally considered safe.
  • However, excessive magnesium levels (hypermagnesemia) can lead to severe toxicity.

Observation:

  • Three patients (68-year-old female, 19-year-old male, 26-year-old male) presented with severe magnesium intoxication requiring intensive care.
  • Initial symptoms were masked by sedation and paraplegia, delaying diagnosis.

Findings:

  • Patients exhibited neurological symptoms, respiratory, and circulatory failure.
  • Diagnosed hypermagnesemia with plasma magnesium levels exceeding 6 mmol/l (reference: 0.70-1.00 mmol/l).
  • Treatment involved magnesium cessation, calcium administration, and hemodialysis.

Implications:

  • Magnesium intoxication can be insidious, especially in patients with conditions masking early signs.
  • Vigilant monitoring of magnesium levels is essential for patients with renal impairment, inflammatory bowel disease, sedation, or paraplegia.
  • Prompt diagnosis and intervention, including hemodialysis, are critical for survival.