1887

Composition of intravenous fluids

Fluid

Na (mmol/l)

K (mmol/l)

Ca (mmol/l)

Cl (mmol/l)

HCO

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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