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Of, relating to, or involving the expiration of air from the lungs.


(ɪkˈspaɪərətərɪ; -trɪ)
(Physiology) relating to the expulsion of air from the lungs during respiration


(ɪkˈspaɪər əˌtɔr i, -ˌtoʊr i)

pertaining to the expiration of air from the lungs.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.expiratory - of or relating to the breathing out phase of respiration


adj espiratorio
References in periodicals archive ?
Spirometry: Spirometry was conducted using SPIROVIT SP-1 (Schiller, Switzerland) to assess lung function test parameters including "Forced Vital Capacity (FVC), Forced Expiratory Volume in First Second (FEV1), Forced Expiratory Ratio (FEV1/FVC%), Peak Expiratory Flow (PEF), Forced Expiratory Flow-25% (FEF25%); Forced Expiratory Flow-50% (FEF50%); and Forced Expiratory Flow-75% (FEF75%)".
In COPD patients, after the early rapid increase in expiratory flow, there is raised intra thoracic pressure.
Spirometry variables including forced vital capacity, forced expiratory volume in 1 second, ratio between the two, peak expiratory flow rate, forced expiratory flow between 25% and 75% expired volume were recorded and interpreted.
There were also significant differences in the mean values for forced vital capacity (FVC)% predicted (p < 0.001, 95% CI: 6.42-20.67), forced expiratory volume in 1 second ([FEV.sub.1])% predicted (p = 0.007, 95% CI: 3.14-19.17) and peak expiratory flow (PEF) (p < 0.001, 95% CI: 0.992.17).
Increasing body mass index (BMI) is typically associated with a reduction in forced expiratory volume in one second (FEV1), forced vital capacity (FVC), total lung capacity, functional residual capacity, and expiratory reserve volume.
The measured variables were: forced vital capacity (FVC), measured in liters, and the percentage over the predicted value was calculated; forced expiratory volume in the first second (FEV1), measured in liters per second and the percentage over the predicted value was calculated.
Two systematic reviews with low heterogeneity found similar outcomes when measuring the effect of intravenous magnesium on forced expiratory volume.
Objective: To determine the impact of proper metered dose inhaler technique over peak expiratory flow rate (PEFR) among the patients of moderate persistent bronchial asthma.
AnaptysBio expects to report top-line efficacy and safety data, including improvement in Forced Expiratory Volume in One Second, from its ongoing double-blinded, placebo-controlled severe eosinophilic asthma trial Phase 2a trial, where approximately 24 adult severe eosinophilic asthma patients are treated with a 300mg intravenous single dose of etokimab versus placebo, each in combination with inhaled corticosteroids and long-acting beta agonists as background therapy, in Q3.
MEDICAL SCIENCE SUPPORTS RESPIRATORY TECHNOLOGY George, Coatbridge REVITIVE Aerosure is based on two well-established systems - inspiratory muscle training (IMT) effects and oscillatory positive expiratory pressure (OPEP).
In a previous study, the researchers reported that daily supplemental vitamin C in pregnant women who could not quit smoking improved their newborn's pulmonary function as measured by passive respiratory compliance and the time to peak tidal expiratory flow to expiratory time.
Traditionally, the diagnosis of COPD is based on spirometric measurements of forced expiratory volume in one second ([FEV.sub.1]) and forced vital capacity (FVC), as specified by the Global Initiative for Chronic Obstructive Lung Disease (GOLD) [3].