Can the values of the venous-to-arterial pCO₂ difference (pCO₂ gap) be negative? A response

Affiliations

• ¹ Department of Anesthesiology, University Medical Center Groningen, University of Groningen, PO Box 30.001, Groningen, 9700 RB, The Netherlands. i.n.de.keijzer@umcg.nl.
• ² Department of Anesthesiology, University Medical Center Groningen, University of Groningen, PO Box 30.001, Groningen, 9700 RB, The Netherlands.
• ³ Department of Anesthesiology, University Medical Center Utrecht, Utrecht, The Netherlands.
• ⁴ Department of Anesthesiology and Intensive Care, Albert Schweitzer Hospital, Dordrecht, The Netherlands.
• ⁵ Department of Anesthesiology, Maastricht University Medical Center, Maastricht, The Netherlands.
• ⁶ Department of Anesthesiology and Intensive Care, Catharina Ziekenhuis, Eindhoven, The Netherlands.
• ⁷ Edwards Lifesciences, Garching, Germany.