Document Detail

Relationship of wheezing to the severity of obstruction in asthma.
MedLine Citation:
PMID:  6679232     Owner:  NLM     Status:  MEDLINE    
Ninety-three asthmatic patients were examined on 320 occasions for wheezing and peak expiratory flow rate (PEFR). The presence of a wheeze (either reported by the patient or found on examination) was associated with a significantly lower PEFR. Expiratory wheezing was usually accompanied by inspiratory wheezing; this biphasic wheezing was associated with a lower PEFR than only expiratory wheezing. Loudness and the high pitch of wheezing were associated with more severe obstruction. Most expiratory wheezing lasted throughout the entire expiration. Expiratory or inspiratory wheezing of high pitch, moderate to severe intensity, and spanning the entire phase of the breath was associated with a lower PEFR than wheezing without these characteristics. Although characterization of wheezing has a general relationship to the severity of airway obstruction, an objective measurement of expiratory flow rate is necessary for the evaluation of each patient's condition.
C S Shim; M H Williams
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Archives of internal medicine     Volume:  143     ISSN:  0003-9926     ISO Abbreviation:  Arch. Intern. Med.     Publication Date:  1983 May 
Date Detail:
Created Date:  1984-10-02     Completed Date:  1984-10-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0372440     Medline TA:  Arch Intern Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  890-2     Citation Subset:  AIM; IM    
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MeSH Terms
Airway Obstruction / physiopathology*
Asthma / physiopathology*
Middle Aged
Outcome and Process Assessment (Health Care)
Peak Expiratory Flow Rate
Respiratory Sounds / physiopathology*

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