Why the study?
Does a noninvasive, suprasternal, non-image-guided pulsed Doppler method accurately measure cardiac output compared to invasive Fick methods in children with congenital heart disease?
Does a noninvasive, suprasternal, non-image-guided pulsed Doppler method accurately measure cardiac output compared to invasive Fick methods in children with congenital heart disease?
A simple, portable, non-image-guided pulsed Doppler method provides accurate cardiac output measurements comparable to invasive Fick methods in children with congenital heart disease.
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May support noninvasive Doppler cardiac output assessment in pediatric congenital heart disease; leaves open prospective validation against Fick.
Gentles et al. (2001) studied this question.
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