Fig. 6

tc-artPCO2 and tcPO2 levels by cardiac output. Data are presented as the mean ± standard error of the mean. †P < 0.01 vs. baseline. tc-artPCO2, gradient between transcutaneous and arterial partial pressures of carbon dioxide; tcPO2, transcutaneous partial pressure of oxygen; COPATD, cardiac output measured by pulmonary artery thermodilution