Discriminative performance improved after adding sex-specific pre-bronchodilator peak expiratory flow to St. George’s Respiratory Questionnaire score. When spirometry is unavailable, physicians ...

FEV stands for forced expiratory volume, which is the air you exhale in one second. A low FEV1 suggests a breathing obstruction. FEV1 is measured during a spirometry test, also known as a ...

1 Division of Pulmonary and Critical Care Medicine, Keck School of Medicine, University of Southern California (USC), Los Angeles, CA, USA. 2 Rancho Los Amigos National Rehabilitation Center, Downey, ...

8 However, the reliability of patient report varies widely from patient-to-patient, and clinic-based spirometry ... peak flow meters by automatically verifying adherence and calculating variability in ...

Exponential analysis over the entire range of the lung inflation-expiratory pressure-volume (P-V) curve has not been studied using the esophageal balloon technique. Objective: A twin exponential ...

It was not possible to determine whether a change in reversibility in forced expiratory volume in 1 s, weight and waist circumference ... some were measured in different ways, such as the same ...

Study procedures include questionnaires on socio-demographics and well-known risk factors for cardiopulmonary disease, blood draw, anthropometry and body composition, blood pressure and spirometry ...

Unlike other standard nozzles, this is made of heavy-duty, die-caste zinc materials to handle from job site abuses and harsh working conditions to the intense water flow of 250 PSI as maximum. Besides ...