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Comparison of cardiac output (CO) as a function of Hct in current model (circles) and results of Messmer et al.24 (squares) on changes induced by hemodilution in dogs and using measured dog viscosity data in the model. This comparison simulates increasing Hct, and CO from an anemic condition due to 10% Hct. Model data is fitted by a quadratic relationship, while the experimental variability inherent to the measurement of CO and blood viscosity is best fitted by a linear relationship.
