Table 3.
Clinical effects of serum magnesium level
| Serum magnesium level | |||
|---|---|---|---|
| Clinical effect | mmol/L | mEq/L | mg/dL |
| Therapeutic | 2–3.5 | 4–7 | 5–9 |
| Loss of patellar reflex | >3.5 | >7 | >9 |
| Respiratory paralysis | >5 | >10 | >12 |
| Cardiac effects | >12.5 | >25 | >30 |
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