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Composition of intravenous fluids (mEq l−1)
| Sodium | Potassium | Chloride | Calcium | Lactate | |
|---|---|---|---|---|---|
| Isotonic or physiological saline | 154 | — | 154 | — | — |
| Half isotonic (dextrose 5%, sodium chloride 0.45%) | 77 | — | 77 | — | — |
| Quarter isotonic (dextrose 3.75%, sodium chloride 0.225%) | 38 | 38 | — | — | |
| Fifth isotonic (dextrose 4%, sodium chloride 0.18%) | 30 | — | 30 | — | — |
| Hartmann's solution | 131 | 5 | 112 | 4 | 28 |
| Half-strength Darrow's solution | 60 | 18 | 52 | — | 25 |
