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Table 1 Ion concentrations in zero bicarbonate dialysate

From: Extracorporeal CO2 removal by hemodialysis: in vitro model and feasibility

 

Normal plasma

Zero bicarbonate dialysate

pHa

7.35–7.45

10.0

Sodium (mmol/L) [18]

136–145

134

Potassium (mmol/L) [18]

3.5–5.0

3.5

Calciumb (mmol/L) [18]

2.2–2.6

0

Magnesium (mmol/L) [18]

0.8–1.2

1.0

Chloride (mmol/L) [18]

98–106

116 (135.6 final concentration)c

Phosphated (mmol/L) [18]

2.0–4.5

0.5

Lactate (mmol/L)

<2.0

3.0

HCO3 (mmol/L)a

22–26

0

  1. aFor a pCO2 of 40 mmHg
  2. bTotal calcium
  3. cModelled chloride concentration was 116 mmol/L. HCl was added so that the dialysate could be analyzed on the blood gas machine resulting in a final concentration of 135.6 mmol/L
  4. dPO4