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Symptom/Finding obstructive defect Description Low forced expiratory volume in 1 second (FEV1); FEV1 is the volume of air that can be forcefully exhaled in one second. See Table 16.4 in Sullivan, p. 215. Category Pulmonary Function ICD-9 Code 794.2 Medical Subject Heading Search PubMed Related Information in Haz-Map Diseases Diseases associated with this finding or symptom: Asthma, irritant-induced Asthma, occupational Bronchiolitis obliterans Byssinosis Chronic beryllium disease Pulmonary disease, chronic obstructive

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Last updated: January, 2009