1887

Composition of intravenous fluids

Fluid Na (mmol/l) K (mmol/l) Ca (mmol/l) Cl (mmol/l) HCO (mmol/l) 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
Duphalyte**   2.6 1.0 3.6   454 Unknown

Dext. = Dextrose; Osmol. = Osmolality.

Bicarbonate is present as lactate.

Also contains a mixture of vitamins and small quantities of amino acids and 1.2 mmol/l of MgSO

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