Pre‐oxygenation–how long?

Summary Pre‐oxygenation was studied in 12 fit volunteers and 20 patients using an oxygen flow of 8 litres/minute delivered from a standard anaesthetic machine via a Magill or Bain breathing attachment. End‐tidal nitrogen concentrations of 4% or less were achieved within 3 minutes; the fastest times...

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Bibliographic Details
Published in:Anaesthesia 1983-02, Vol.38 (2), p.96-102
Main Authors: BERTHOUD, MIRIELLE, READ, D. H., NORMAN, J.
Format: Article
Language:English
Subjects:
Anaesthetic techniques
induction
Anesthesia, Inhalation - instrumentation
Anesthesia, Inhalation - methods
Carbon Dioxide
Humans
Lung Volume Measurements
Nitrogen
Oxygen - administration & dosage
Oxygen
delivery Systems
Time Factors
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Summary:Summary Pre‐oxygenation was studied in 12 fit volunteers and 20 patients using an oxygen flow of 8 litres/minute delivered from a standard anaesthetic machine via a Magill or Bain breathing attachment. End‐tidal nitrogen concentrations of 4% or less were achieved within 3 minutes; the fastest times were achieved using the Magill breathing System when the reservoir bag was filled with oxygen prior to application to the face. Gas‐tight fits of face masks on patients were found to be essential.
ISSN:0003-2409
1365-2044
DOI:10.1111/j.1365-2044.1983.tb13925.x