Tag Archives: PEF

What is measured

FEV1: Forced Expiratory Volume 1 – This is┬áthe volume of air that is forced out in 1 second. FVC: Forced Vital Capacity – This is the volume of air that can be forced out of the lung from full inspiration to full expiration. FEV1/FVC: Spirometric ratio – This compares the amount of air that can […]