FEV1/FVC
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Introduction
Also see pulmonary function test, FEV1 & FVC.
Indications
- primary assessment used to determine obstructive lung disease
Interpretation
- FEV1/FVC < 0.7 is consistent with obstuctive lung disease*
- FEV1/FVC > 0.75 is consistent with normal lung fucntion or restrictive lung disease *
* FEV1/FVC is decreased in most but not all patients with chronic bronchitis[2]
More general terms
Components
References
- ↑ Medical Knowledge Self Assessment Program (MKSAP) 19 American College of Physicians, Philadelphia 2022
- ↑ 2.0 2.1 Mejza F, Gnatiuc L, Buist AS et al Prevalence and burden of chronic bronchitis symptoms: results from the BOLD study. Eur Respir J. 2017 Nov 22;50(5):1700621. PMID: https://www.ncbi.nlm.nih.gov/pubmed/29167298 PMCID: PMC5699921 Free PMC article.