Definition: A spirometer is a device used by an asthma care provider to measure lung function. A provider may use it in diagnosing asthma or to periodically reassess how your treatment is doing. Spirometry allows your asthma care provider to determine several aspects of your lung function including:
What Is a Spirometer?
By Pat Bass, About.com
Updated March 23, 2009
About.com Health's Disease and Condition content is reviewed by the Medical Review Board
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