Why the study?
Does the automated single-breath technique accurately measure cardiac output compared to thermodilution and Fick methods in patients undergoing catheterization?
Population
20 patients undergoing cardiac or pulmonary artery catheterization
Comparison
Automated single-breath technique using… vs Standard thermodilution and direct Fick methods
Design
Cross-sectional
Authors
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Supports noninvasive cardiac output assessment; leaves open prospective validation before clinical adoption.
Does the automated single-breath technique accurately measure cardiac output compared to thermodilution and Fick methods in patients undergoing catheterization?
The automated single-breath acetylene technique provides rapid, accurate, and noninvasive measurement of cardiac output comparable to invasive thermodilution and Fick methods.
Zenger et al. (1993) studied this question.
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