Pulmonary Function Tests for the Radiologist
- 1 July 2017
- journal article
- review article
- Published by Radiological Society of North America (RSNA) in RadioGraphics
- Vol. 37 (4), 1037-1058
- https://doi.org/10.1148/rg.2017160174
Abstract
Knowledge of the components of pulmonary function tests, pathologic result patterns, and the correlation between lung function and key imaging findings can assist the radiologist in the diagnosis and ongoing assessment of a wide variety of pulmonary diseases. Pulmonary function tests (PFTs) provide important quantitative information about lung function and can be used to elucidate pathologic conditions responsible for respiratory symptoms, assess the severity and course of disease, and evaluate the patient for suitability and timing for lung transplantation. They are typically used in tandem with chest imaging, along with other ancillary data, to arrive at a specific diagnosis. PFTs may provide the radiologist with clues to the diagnosis and grading of a wide variety of pulmonary diseases. In this review, the authors discuss the clinical use of PFTs, their major components, and important measurements and graphical representations that are essential for understanding and interpreting the results. The key components of PFT panels—static lung volumes, dynamic lung function (spirometry), and diffusion capacity—are explained. The authors present a general algorithmic approach for problem solving, with recognition of common patterns of results (obstructive, restrict...This publication has 61 references indexed in Scilit:
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