Say: spy-RAH-meh-tur
A spirometer is an instrument that measures how well the lungs are working. To use one, a person breathes into a mouthpiece. The doctor may ask the person to breathe normally or to take a deep breath and blow the air quickly out of the lungs, like blowing up a balloon. A recording device measures the amount of air inhaled or exhaled and how much time each breath took. These measurements can help the doctor find out if the person has a lung problem, like asthma.
Note: All information is for educational purposes only. For specific medical advice, diagnoses, and treatment, consult your doctor.
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