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Table 2 Composition of bodily fluids

From: Dose and type of crystalloid fluid therapy in adult hospitalized patients

 

Na+(mmol/l)

K+(mmol/l)

Ca2+(mmol/l)

Mg2+(mmol/l)

HCO3(mmol/l)

Lactate(mmol/l)

Other buffer (mmol/l)

Cl-(mmol/l)

Organic acid (mmol/l)

Protein

Plasma

142

4

5

2

101

27

2

1

6

16

Plasma water

153

4.3

5.4

2.2

109

29

2.2

1

6.5

17

Interstitial water

139

4

5

2

114

31

2

1

7

1

Intracellular water

10

160

2

26

3

10

100

20

 

65