Document Detail

Utility of the peak expiratory flow rate in the differentiation of acute dyspnea. Cardiac vs pulmonary origin.
MedLine Citation:
PMID:  1729059     Owner:  NLM     Status:  MEDLINE    
This study examined the utility of a peak expiratory flow rate (PEFR) measurement in the differentiation of acute moderate to severe dyspnea secondary to congestive heart failure or chronic lung disease. A PEFR was determined in 41 episodes of acute respiratory distress in 40 patients prior to emergency department therapy. The mean PEFR +/- SD for the congestive heart failure group (n = 18) was 224 +/- 82 L/min, which was significantly higher (p less than 0.001) than that of the chronic lung disease group (n = 23), which had a mean PEFR of 108 +/- 49 L/min. No single cutoff value allowed 100 percent accurate classification, but the results suggest that the PEFR may be a useful adjunctive tool in the differentiation of acute dyspnea of cardiac vs pulmonary origin.
R M McNamara; D J Cionni
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chest     Volume:  101     ISSN:  0012-3692     ISO Abbreviation:  Chest     Publication Date:  1992 Jan 
Date Detail:
Created Date:  1992-02-11     Completed Date:  1992-02-11     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  0231335     Medline TA:  Chest     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  129-32     Citation Subset:  AIM; IM    
Department of Emergency Medicine, Medical College of Pennsylvania, Philadelphia.
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MeSH Terms
Acute Disease
Diagnosis, Differential
Dyspnea / etiology*,  physiopathology
Heart Failure / complications*
Lung Diseases, Obstructive / complications*
Middle Aged
Peak Expiratory Flow Rate*
Predictive Value of Tests
Comment In:
Chest. 1993 Apr;103(4):1306-7   [PMID:  8131502 ]

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

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