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graph of the serial concentrations (dilutions) of a dye, for example, Evans blue, following its intravascular or intracardiac injection; useful in the diagnosis of congenital cardiac shunts, measurement of cardiac output, and detection of cardiovalvular incompetence.
Synonym(s): indicator-dilution curve
A graph of the disappearance rate of a known amount of injected dye from the circulation; used to measure cardiac function.
See also: curve