Article Figures & Data
Figures
- Figure 1.
Fick’s principle formula.
- Figure 2.
Oxygen content calculation.
Tables
VBG Parameter Study VBG Reference Interval pH 7.30–7.43 pCO2, mm Hg 38–58 
, mmol/L22–30 Source: Adapted from Ress et al.18 Abbreviations: HCO3−, bicarbonate; pCO2, partial pressure of CO2; VBG, venous blood gas.
VBG Parameter Theoretical VBG Reference
Interval (Meta-Analysis)pH 7.32–7.42 pCO2, mm Hg Male 39–52 Female 36–49 
, mmol/L23–27 Source: Adapted from Ress et al.18 Abbreviations: HCO3−, bicarbonate; pCO2, partial pressure of CO2; VBG, venous blood gas.
Model Formula Zeserson model (mm Hg)23 peCO2 = pvCO2 − 4.8 Farkas model (mm Hg)22 peCO2 = pvCO2 − (0.22 × (93 − svO2)) Lemoël model (mm Hg)21 peCO2 = pvCO2 − (0.3 × (75 − svO2)) Abbreviations: pCO2, partial pressure of CO2; peCO2, estimated pCO2; pvCO2, venous pCO2; svO2, venous functional oxygen saturation.
Jump to section
Related Articles
Cited By...
- No citing articles found.
More in this TOC Section
Similar Articles
Keywords
- Δpv-aCO2 - venous-to-arterial carbon dioxide pressure difference
- ABG - arterial blood gas
- cVBG - central venous blood gas
- CVC - central venous catheter
- DKA - diabetic ketoacidosis
- ED - emergency department
- HCO3− - bicarbonate
- ICU - intensive care unit
- pCO2 - partial pressure of CO2
- pO2 - partial pressure of O2
- sO2 - functional oxygen saturation
- VBG - venous blood gas
- VO2 - volume of oxygen consumption
- blood gas analysis
- venous blood gas
- acid–base balance
- hypercarbia