Table 1 Manifestations of hypermagnesemia in relation to serum magnesium levels
From: Hypermagnesemia in a 20-month-old healthy girl caused by the use of a laxative: a case report
Serum Mg level (mg/dL) | Clinical manifestations |
|---|---|
1.7–2.4 | Normal serum level |
5–8 | Nausea, vomiting, cutaneous, flushing, hypotension, bradycardia |
9–12 | Absence of deep tendon reflexes, somnolence |
>15 | Respiratory depression, paralysis, complete heart block |
>20 | Cardiac arrest in the asystole |