Patient using a spirometer

A spirometer is an apparatus for measuring the volume of air inspired and expired by the lungs. A spirometer measures ventilation, the movement of air into and out of the lungs.

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Photo credit: © ipm / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: air, apparatus, breath, doctor, health, heart, hospital, human, lung, lungs, measure, measuring, nhs, obstructive, pattern, restrictive, spirogram, spirometer, ventilation, volume