Interpreting pulmonary function tests: Recognize the ...

866 CLEVELAND CLINIC JOURNAL OF MEDICINE VOLUME 70 NUMBER 10 OCTOBER 2003HE MAJOR LIMITATIONof pulmonaryfunction tests is in how they are inter-preted. They can be used to identify the pat-tern and severity of a physiologic abnormali-ty, but used alone, they generally cannot dis-tinguish among the potential causes of , pulmonary function tests must beinterpreted in the context of a proper history,physical examination, and ancillary diagnostictests. Once a pattern is recognized (obstruc-tive, restrictive, or normal) and its severitymeasured, that information, combined withother patient data, often leads to a this article we will provide an overviewof basic pulmonary function tests and an algo-rithm for using and Interpreting them, andthen we use three cases to explain how to usethese tests to identify the pattern of respirato-ry dysfunction, thenmake the pulmonary function TESTINGP ulmonary function tests are ordered: To evaluate symptoms and signs of lung dis-ease (eg, cough, dyspnea, cyanosis, wheez-ing, hyperinflation , hypoxemia, hypercap-nia)1,2 To assess the progression of lung disease To monitor the effectiveness of therapy To evaluate preoperative patients inselected situations1,2 To screen people at risk of pulmonary dis-ease such as smokers or people with occu-pational exposure

Jun 05, 2012 · ing, hyperinflation, hypoxemia, hypercap-nia)1,2 • To assess the progression of lung disease • To monitor the effectiveness of therapy • To evaluate preoperative patients in selected situations1,2 • To screen people at risk of pulmonary dis- …

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