نتایج جستجو برای: forced
تعداد نتایج: 50043 فیلتر نتایج به سال:
BACKGROUND We aimed to investigate the effects of spinal immobilization devices on pulmonary functions. METHODS This study was a cross-over trial in healthy volunteer subjects; 60 volunteers were included. We performed a full spirometry in the supine position, and forced vital capacity (FVC), forced expiratory volume in one second (FEV1) and FEV1/FVC were recorded in all subjects. Then, Phila...
Using data obtained during the first four complete surveys of a general population sample (2,435 spirometric studies on 916 different asymptomatic nonsmoking subjects), we have derived mathematically continuous equations designed to describe the stages of growth, maturation, and subsequent decline in the forced expiratory volume in one second (FEV1) and the forced vital capacity (FVC). With thi...
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