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Table 1 Acid–base parameters for a normal and two abnormal cases

From: Science review: Quantitative acid–base physiology using the Stewart model

Case pH [HCO3-] (mmol/l) CAlb (mmol/l) CPhos (mmol/l) PCO2 (Torr) SID (mmol/l)
1 (normal) 7.40 24.25 0.67 1.16 40.0 39
2 7.30 15.27 0.67 1.16 31.7 29
3 7.40 24.25 0.15 1.16 40.0 29
  1. Case 1 is for a normal individual, case 2 is for a metabolic acidosis at constant noncarbonate buffer concentrations, and case 3 is for hypoproteinemia. CAlb, albumin concentration; CPhos, phosphate concentration; PCO2, partial CO2 tension; SID, strong ion difference.