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PubMed · 898238

Automatic end-tidal gas sampling system for non-invasive rCBF measurements.

H M Shapiro·J E Inacker·W D Obrist
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Abstract

Non-invasive measurements of regional cerebral blood flow (133Xe inhalation or IV injection) require knowledge of the arterial 133Xe concentrations, which is usually estimated from the end-tidal expiration. An automated sampling system is described for measurement of end-tidal 133Xe concentration that can be used in both spontaneously breathing and mechanically ventilated patients. A comparison is made between the automatic sampling system and manual measurements performed on a continuous gas sample.

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Blood Gas AnalysisCerebrovascular CirculationHumansMonitoring, PhysiologicXenon RadioisotopesJournal ArticleResearch Support, U.S. Gov't, P.H.S.

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H M Shapiro, J E Inacker, W D Obrist. Automatic end-tidal gas sampling system for non-invasive rCBF measurements.. https://doi.org/10.1161/01.str.8.4.437

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