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spirometer

A device that measures how much air a person breathes in or out, and how fast.

spy-ROM-eh-ter noun

Word parts

What it means

A breathing-measurement tool. In a lung function lab, a spirometer measures how much air the lungs hold and how fast the person can blow it out, which helps diagnose asthma and COPD (pulmonary function testsPUL-muh-nair-ee FUNK-shun testsBreathing tests that measure how much air the lungs hold and how fast air moves in and out.pulmon/o lung-ary relating toFull entry ). An incentive spirometerin-SEN-tiv spih-ROM-uh-terA hand-held device that helps a person take slow, deep breaths and shows how much air they breathe in.Full entry is a simple hand-held version that shows a client how deeply they are breathing in, used after surgery to prevent lung problems.

At a glance

Also writtenspirometers

Related terms

pulmonary function tests

Breathing tests that measure how much air the lungs hold and how fast air moves in and out.

incentive spirometer

A hand-held device that helps a person take slow, deep breaths and shows how much air they breathe in.

-meter

A word ending that means an instrument for measuring.

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