Abstract
We treated a case of iatrogenic hypermagnesemia that clinically mimicked a central brain-stem herniation syndrome. Hypermagnesemia (magnesium level, 9.85 mmol/L [24 mg/dL]) can cause parasympathetic blockade, inducing fixed and dilated pupils, in addition to neuromuscular blockade. Extreme hypermagnesemia can therefore mimic a midbrain syndrome and cause a pseudocomatose state.
MeSH terms
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Adult
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Brain Diseases / diagnosis
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Brain Stem
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Coma / chemically induced*
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Coma / diagnosis
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Diabetes Mellitus, Type 1 / complications
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Diabetic Ketoacidosis / therapy
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Diagnosis, Differential
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Female
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Hernia / diagnosis
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Humans
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Iatrogenic Disease*
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Infusions, Intravenous
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Magnesium / adverse effects*
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Magnesium / blood
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Magnesium Sulfate / poisoning
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Magnesium Sulfate / therapeutic use
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Medication Errors
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Syndrome
Substances
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Magnesium Sulfate
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Magnesium