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Lung and Airway Disorders |
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Spirometry: Technique |
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Spirometry is used to test lung function. The patient breathes normally, then quickly inhales deeply through a mouthpiece with attached tubing. She next exhales quickly until she has emptied her lungs as much as possible. These breaths are measured by the computer (that is, the spirometer) at the right, which has a black plastic attachment that rises and falls with each complete breath.
(Video from Lahey Clinic Media Center.)