Document Detail

Bimodality of expiratory time in patients anaesthetized with propofol.
MedLine Citation:
PMID:  7696058     Owner:  NLM     Status:  MEDLINE    
In the records of breathing from five of 32 patients in two previous studies, the distribution of expiratory times appeared bimodal. Records of breathing from another 40 patients anaesthetized for up to 1 h with propofol infusions were examined; there was clear evidence of bimodality in the distribution of expiratory time in 14 records. The bimodality was independent of tidal volume or inspiratory time, and seemed to be caused largely by differing durations of expiratory pause. In six records there was a change of state between unimodality and bimodality. There was no obvious common factor to explain the bimodality or why a change of state should occur.
N W Goodman
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  British journal of anaesthesia     Volume:  74     ISSN:  0007-0912     ISO Abbreviation:  Br J Anaesth     Publication Date:  1995 Feb 
Date Detail:
Created Date:  1995-05-04     Completed Date:  1995-05-04     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0372541     Medline TA:  Br J Anaesth     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  129-33     Citation Subset:  IM    
University Department of Anaesthesia, Southmead Hospital, Bristol.
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MeSH Terms
Anesthesia, General*
Middle Aged
Respiration / drug effects*
Tidal Volume
Time Factors
Reg. No./Substance:

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