Table 1.
Effect of Adding Different Volumes of Water to a 5-L Bag of Replacement Fluid on Its Concentrations of Sodium, Bicarbonate, and Potassium
| Volume of Water Added (mL) | Final Volume of Diluted Fluid (L) | [Na+] (mEq/L) | [HCO3−] (mEq/L) | [K+] (mEq/L) |
|---|---|---|---|---|
| 0 | 5.0 | 140 | 35 | 4.0 |
| 150 | 5.15 | 136 | 34 | 3.9 |
| 250 | 5.25 | 133 | 33 | 3.8 |
| 350 | 5.35 | 131 | 33 | 3.7 |
| 500 | 5.5 | 127 | 32 | 3.6 |
| 750 | 5.75 | 122 | 30 | 3.5 |
| 1,000 | 6.0 | 117 | 29 | 3.3 |
| 1,250 | 6.25 | 112 | 28 | 3.2 |
Abbreviations: [HCO3−], bicarbonate concentration; [K+], potassium concentration; [Na+], sodium ion concentration.
Based on data from Ostermann et al.50