Adjective
Pertaining to, or employed in, the expiration or emission of air from the lungs; as, the expiratory muscles.
Source: Webster's dictionaryPredicted peak expiratory flow: differences across formulae in the literature. Source: Internet
Forced expiratory volume in 1 s (FEV), modified Medical Research Council dyspnea scale, exacerbation history (ExH), Global Initiative for Chronic Obstructive Lung Disease (GOLD) 2011 groups, and lung volumes were reviewed. Source: Internet
The population had an age ranging from 39 to 87 years with 65% to 85% males, 95% Caucasian, and had COPD with a mean pre-bronchodilator forced expiratory volume in one second (FEV) percent predicted of 39% to 43%. Source: Internet