SIDE-STREAM VOLUMETRIC CAPNOGRAPHY

SIDE-STREAM VOLUMETRIC CAPNOGRAPHY

Techniques for determining a volume of exhaled CO2 as a function of time using side-stream capnography, including obtaining flow dynamics measurements of a subject from a flow sensor; obtaining CO2 concentration measurements of the subject from a side-stream CO2 monitor; determining a duration of ti...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Coleman, Joshua Lewis, Ronen, Michal
Format: Patent
Sprache:eng
Schlagworte:
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Beschreibung
Zusammenfassung:Techniques for determining a volume of exhaled CO2 as a function of time using side-stream capnography, including obtaining flow dynamics measurements of a subject from a flow sensor; obtaining CO2 concentration measurements of the subject from a side-stream CO2 monitor; determining a duration of time (ΔTsl) for a sample of gas to flow from a reference point to the side-stream CO2 monitor; synchronizing in time the CO2 concentration measurement with the flow dynamics measurement, based on the determined ΔTsl; and determining a volume of CO2 exhaled as a function of time, based on the flow dynamics measurement and the synchronized CO2 concentration measurement.