Lung function test. 63-year-old woman breathing into a peak flow meter (spirometer). A peak flow meter is used to monitor lung function by measuring t

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Lung function test. 63-year-old woman breathing into a peak flow meter (spirometer). A peak flow meter is used to monitor lung function by measuring the maximum rate at which air is expelled from the lungs. The patient takes a deep breath and breathes out as hard as possible into the mouthpiece. This test can be used to detect asthma and other lung disorders.

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Photo credit: © IAN HOOTON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
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