Premature termination of the curve, cardiac arrhythmias, and marked variation in pulmonary artery baseline temperature can all cause problems with thermodilution cardiac output measurement. What type of problem do these factors produce?

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Irregular downslope of the CO curve. An irregular downslope of the cardiac output curve can result from cardiac arrhythmias, catheter tip movement, premature termination of the curve, right-to-left shunt, and marked variation in pulmonary artery baseline temperature.

Premature termination of the curve, cardiac arrhythmias, and marked variation in pulmonary artery baseline temperature can all cause problems with thermodilution cardiac output measurement. What type of problem do these factors produce?

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