Spirometry measures lung volume—how much and how quickly you can blow air out of your lungs. The spirometer measures and ...

These volumes can be seen in this spirometry trace. During exercise, tidal volume increases as the depth of breathing increases and the rate of breathing increases too. This has the effect of ...

who ordered a pulmonary function test (PFT). This test measures lung volume and capacity, as well as how air moves through them. 'I failed that miserably,' she told The Patient Story. Her husband ...