Document Detail

Determinants of pattern of breathing during respirator use.
MedLine Citation:
PMID:  3354577     Owner:  NLM     Status:  MEDLINE    
The relationship between the pattern of breathing in response to respirator-type loads and an individual's psychophysiologic sensitivity to loads (load scaling sensitivity, LSS) was investigated in the study of 11 normal volunteers. LSS was measured by having the subjects numerically rate a series of resistors; Steven's Psychophysical Law was used to evaluate sensitivity as the slope relating log (sensation) to log (stimulus). Peak pressure and actual added resistance were the stimuli. Inspiratory time, peak pressure, duty cycle, and tidal volume were inversely related to independently measured LSS during exercise and with a respiratory-type dead space and inspiratory resistance load. Because the need for changes in respiratory timing is a major adaptation in respirator use, it suggests that workers who are very sensitive to loads may have limited ability to adapt to respirator use.
P Harber; S Shimozaki; T Barrett; G Fine
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  American journal of industrial medicine     Volume:  13     ISSN:  0271-3586     ISO Abbreviation:  Am. J. Ind. Med.     Publication Date:  1988  
Date Detail:
Created Date:  1988-04-22     Completed Date:  1988-04-22     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  8101110     Medline TA:  Am J Ind Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  253-62     Citation Subset:  IM    
Department of Medicine, University of California Southern Occupational Health Center, Los Angeles.
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MeSH Terms
Exercise Test
Protective Devices*
Respiratory Protective Devices*
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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