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Table 1 The chemical composition of commonly used intravenous fluid solutions

From: Choice of fluids in critically ill patients

Solutions

Na+ (meq/L)

K+ (meq/L)

Cl (meq/L)

Other anions (meq/L)

Osmolarity (mosm/L)

In vivo SIDa(meq/L)

Crystalloids

 Unbalanced

  NaCl 0.9%

154

0

154

308

  NaCl 3%

510

0

510

1026

  NaCl 7.5%

1275

0

1275

2395

 Balanced

  Lactate Ringer

130

4

108

Lactate (27.6)

277

27

  Acetate Ringer

132

4

110

Acetate (29)

277

27

  Acetate Gluconate (Plasmalyte®)

140

5

98

Acetate (27)

294

50

Gluconate (23)

  Acetate Malate (Isofundin®)

145

4

127

Acetate (24)

304

27

Malate (5)

Colloids

 Unbalanced

  Hydroxyethylstarch (Voluven®)

154

0

154

308

  Albumin

154

0

154

308

 Balanced

  Hydroxyethylstarch (Tetraspan®)

140

4

118

Acetate (24)

297

29

Malate (5)

  Hydroxyethylstarch (Hextend®)

143

3

124

307

28

  Gelatins 4% (Plasmion®)

154

0

120

307

32

  Gelatins 3% (Gelofusin®)

150

0

100

284

56

  1. aStrong Ion Difference