An instrument for measuring the vital capacity of the lungs, or the volume of air which can be expelled from the chest after the deepest possible inspiration
The most commonly used pulmonary function test, done in a doctor's office or pulmonary function laboratory The machine used measures how fast a person can blow out air, and how much air is blown The results of this test include the FEV-1, the peak flow, and the FVC
A test performed by breathing into an instrument called a spirometer that records the amount of air and the rate of air that is breathed in over a specified time