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A case report: magnesium intoxication occurring in the process of total serum magnesium decrease
Feige Tang1, Bing Xiao, Qing Xiong
1Emergency Center, Obstetrics and Gynecology and Pharmacy Department, Sichuan Provincial Hospital for Women and Children, Chengdu, China. tangqingying@yahoo.com.cn
The Journal of Obstetrics and Gynaecology Research
|February 25, 2010
Summary
Magnesium intoxication can occur even with lower serum magnesium levels. This case report highlights that total serum magnesium concentration may not fully represent intoxication risk, challenging current understanding.
Area of Science:
- Clinical Medicine
- Toxicology
- Nephrology
Background:
- Magnesium intoxication is typically associated with elevated total serum magnesium concentrations.
- Clinical presentation of magnesium toxicity includes symptoms like absent reflexes.
Observation:
- A female patient presented with absent-patellar reflexes (a sign of magnesium intoxication) at a total serum magnesium concentration of 3.66 mg/dL.
- The same patient showed no signs of intoxication at a higher concentration of 4.34 mg/dL.
Findings:
- This case suggests that total serum magnesium concentration alone may not be a definitive indicator of magnesium intoxication.
- A lower than expected total serum magnesium level can still manifest clinical signs of toxicity.
Implications:
- Clinical assessment of magnesium intoxication should consider factors beyond just total serum magnesium levels.
- Further research is needed to understand the variability in magnesium toxicity presentation and its correlation with serum concentrations.
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