Abstract
Flow volume loops (FLVs) are a type of pulmonary test used to help evaluate respiratory diseases. Familiarity with FVLs is important because they help quantify respiratory decrements and also responses to treatment. For example, an asthmatic patient can be evaluated before and after bronchodilator treatment. Historically, flow volume loops were used to help identify key characteristics of a respiratory lesion and to assess its severity. With the advent of MRI and CT scan, there has been less reliance on FVLs for these purposes. Despite this, understanding of FVLs helps the consultant to understand fundamental respiratory physiology.
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References
Leiner GC, Abramowitz S, Small MJ, et al. Expiratory peak flow rate. Standard values for normal subjects. Use as a clinical test of ventilatory function. Am Rev Respir Dis. 1963;88:644.
Miller RD, Hyatt RE. Evaluation of obstructing lesions of the trachea and larynx by flow-volume loops. Am Rev Respir Dis. 1973;108(3):475–81.
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Kosik, E. (2017). Flow Volume Loops. In: Raj, T. (eds) Data Interpretation in Anesthesia. Springer, Cham. https://doi.org/10.1007/978-3-319-55862-2_70
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DOI: https://doi.org/10.1007/978-3-319-55862-2_70
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