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Effect of instantaneous partition coefficient of xenon on the organ blood flow measurements

J T Kuikka, M T Keinanen, E M R Suolinna and E O H Solin

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SCIENTIFIC NOTE

The objectives of this study were to measure in vivo an instantaneous partition coefficient of xenon, and to estimate the effect of it on calculated flow values obtained from washout experiments. The results suggest that the calculated xenon clearance based on the static equilibrium partition coefficient is not exactly the actual flow, but rather a mathematical flow index, which is highly dependent on flow and diffusion rates.


PACS

87.80.-y Biophysical techniques (research methods)

87.19.rh Fluid transport and rheology

87.19.U- Hemodynamics

Subjects

Instrumentation and measurement

Medical physics

Biological physics

Dates

Issue 4 (July 1980)



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