UTILITY OF THE PEAK EXPIRATORY FLOW-RATE IN THE DIFFERENTIATION OF ACUTE DYSPNEA - CARDIAC VS PULMONARY ORIGIN

被引:34
作者
MCNAMARA, RM
CIONNI, DJ
机构
[1] Emergency Medicine Department, MCP, Philadelphia, PA 19129
关键词
D O I
10.1378/chest.101.1.129
中图分类号
R4 [临床医学];
学科分类号
1002 ; 100602 ;
摘要
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 < 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.
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页码:129 / 132
页数:4
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