OBI Medical

Statistical variation

pHa

The following plots compare pH for v-TAC vs. arterial blood gas (ABG1):

paCO2

The following plots compare pCO2 for v-TAC vs. arterial blood gas (ABG1):

paO2

The following plots compare pO2 for v-TAC vs. arterial blood gas (ABG1):

Studies:

  • Toftegaard, M, Rees, S E og Andreassen, S. Evaluation of a method for converting venous values of acid-base and oxygenation status to arterial values. European Journal of Emergency Medicine. 2009, Vol. 26, pp. 268-272.
  • Thygesen, G, et al. Mathematical arterialization of venous blood in emergency medicine patients. European Journal of Emergency Medicine. 2011.
  • Rees, S E, et al. Calculating acid-base and oxygenation status during COPD exacerbation using mathematically arterialised venous blood. Clin Chem Lab Med. 2012, Vol. 50, 12.
  • Ekström, M, et al. Calculated arterial blood gas values from a venous sample and pulse oximetry: Clinical validation. PLoS ONE. 2019, 14(4):e0215413.