Japanese Journal of Medicine
Online ISSN : 1881-123X
Print ISSN : 0021-5120
An Analysis of Hypermagnesemia and Hypomagnesemia
Naotaka HASHIZUMEMiko MORI
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JOURNAL FREE ACCESS

1990 Volume 29 Issue 4 Pages 368-372

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Abstract

Serum magnesium (Mg) was measured in 6, 252 patients; in 1, 246 (19.9%) the value was abnormal. Hypermagnesemia (serum Mg ?? 3.9 mg/dl) was observed in 51 patients (0.8%) and hypomagnesemia (Mg ?? 1.5 mg/dl) in 165 (2.6%). Hypermagnesemia was found in patients with renal failure treated with Mg-containing antacids or cathartics, or with eclamptic convulsions treated with Mg sulfate. The most frequent clinical finding of hypermagnesemia was urinary disturbance, although various other neurological signs and symptoms were observed. Hypomagnesemia was seen in patients with various diseases such as cancer, hepatic cirrhosis, cerebrovascular disease, and generally poor condition. Abnormalities of electrolytes other than Mg were also frequently observed. The most common clinical findings of hypomagnesemia were personality changes and depression. The differentiation from psychiatric disease is important.

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© The Japanese Society of Internal Medicine
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