Expiratory reserve volume (EPV) is the amount of extra air — above normal (tidal) volume — exhaled during a forceful breath out. You doctor will measure your EPV and other pulmonary functions ...

Total pulmonary compliance (lungs and chest wall) was measured with a "Super Syringe," 3 using volumes within the tidal-volume range, airway pressures being read at zero gas flow. Carbon dioxide ...