Figure 1. The single injection thermodilution method. In (A) T^bis blood temperature, v. cycle is time for one ventilatory cycle, (B) Delta T^bchange of blood temperature after correction for temperature baseline fluctuations, T(j) temperature at time sample j, Q' sub td cardiac output estimated by thermodilution without flow correction, Tⁱtemperature of the injectate, (C) P^papulmonary artery pressure, (D) Q'^pcblood flow estimated beat-to-beat by pulse contour, Q'^pc(j) blood flow at time sample j, Q'^pc,mean mean blood flow estimated by pulse contour, min, max are minimal and maximal value in blood flow, respectively, (E) T^bcflow-corrected response in blood temperature, T^c(j) corrected temperature at time sample j, Q'^tdccardiac output estimated by thermodilution after flow correction. See text for explanation.