The article “Relation Between Multiplication of Venous Carbon Dioxide Partial Pressure (PvCO2) and the Ratio of Gas Flow to Pump Flow (Ve/Q) with Hyperlactatemia During Cardiopulmonary Bypass” by Kowara Yos et al., published in the Annals of Cardiac Anaesthesia, delves into the significance of the PvCO2 × Ve/Q value in predicting hyperlactatemia during cardiopulmonary bypass…