forced expiratory volume in one second

forced expiratory volume in one second (fōrsdˑ ek·spīˑ·r·tōˈ·rē vlˑ·yōōm in wunˑ seˑ·knd),

n an individual test measure used to assess limitations in airflow, which measures the amount of air exhaled in one second.
References in periodicals archive ?
Cheng YJ& et al (2003) in their cross sectional study showed that men who regularly did dynamic exercises had higher forced expiratory volume in one second (FEV1) than the sedentary groups.
On tests of forced vital capacity and forced expiratory volume in one second, breastfeeding for four months or longer was linked to better scores in kids whose moms had asthma.
The following pulmonary function tests were performed for each subject using a Med-Graphics [TM] metabolic cart and Breeze Software [TM]: forced vital capacity (FVC), forced expiratory volume in one second (FEV1), slow vital capacity (SVC), maximum volitional ventilation (MVV), maximum inspiratory pressure (MIP), and maximum expiratory pressure (MEP).
5 mg/dl), liver dysfunction (glutamic oxaloacetic transaminase >40 U/l, glutamic pyruvic transaminase >40 U/l), symptomatic ischaemic or valvular heart disease, anaemia (haemoglobin <90 g/l) and symptomatic pulmonary dysfunction (or a ratio of forced expiratory volume in one second to the forced vital capacity (FEV1/FVC) <65%.
The test indicates asthma when forced expiratory volume in one second (FEV1) increases by 200mL and by 12% from baseline after bronchodilator use.
The major outcomes considered in the effectiveness of these interventions included sputum characteristics, forced expiratory volume in one second, coughing efficacy, and incidence of respiratory complications.
Their prospective study concluded that more-hostile men can lose as much as 9 mL/yr in forced expiratory volume in one second (FEV[.
Factors that predicted favorable survival outcomes included the absence of Burkholderia cepacia, pancreatic sufficiency, and a prepregnancy forced expiratory volume in one second ([FEV.
Fifteen minutes after treatment an exercise test was performed, and within 30 minutes following the exercise, measurements of forced expiratory volume in one second (FEV1) were taken.
Fineman's poster noted that improvements in forced expiratory volume in one second (FEV1), a measurement of lung function, were significant as early as Day 15 versus placebo (pen0.
Morning trough FEV1 refers to the measure of forced expiratory volume in one second, obtained just prior to the morning dose.
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