Composition of intravenous fluids
| Fluid | Na+ (mmol/l) | K+ (mmol/l) | Ca2+ (mmol/l) | Cl– (mmol/l) | HCO3 – | Dext. (g/l) | Osmol. (mosm/l) |
|---|---|---|---|---|---|---|---|
|
0.45% NaCl |
77 |
77 |
155 |
||||
|
0.9% NaCl |
154 |
154 |
308 |
||||
|
5% NaCl |
856 |
856 |
1722 |
||||
|
Ringer’s |
147 |
4 |
2 |
155 |
310 |
||
|
Lactated Ringer’s (Hartmann’s) |
131 |
5 |
2 |
111 |
29 * |
280 |
|
|
Darrow’s |
121 |
35 |
103 |
53 * |
312 |
||
|
0.9% NaCl + 5.5% Dext. |
154 |
154 |
50 |
560 |
|||
|
0.18% NaCl + 4% Dext. |
31 |
31 |
40 |
264 |
|||
Dext. = dextrose; Osmol. = osmolality. * Bicarbonate is present as lactate.