Spirometer
Apparatus for measuring air volume inspired and expired by the lungs
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. The spirogram will identify two different types of abnormal ventilation patterns, obstructive and restrictive. There are various types of spirometers that use a number of different methods for measurement (pressure transducers, ultrasonic, water gauge).
Read on Wikipedia · Image National Heart Lung and Blood Insitute (NIH), Public domain
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