Abstract
Summary
Injection of 0.5 mg of a tricarbocyanine dye into the left atrium of anesthetized dogs every 5-8 sec. (phased with respiration) results in reproducible dye-dilution curves during cardiovascular equilibrium. The calculated cardiac output does not vary from determination to determination more than ± 5%. The method is useful in the investigation of problems requiring rapidly repeated estimations of cardiac output.
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