FEV1 is a measurement in spirometry that indicates the amount of air exhaled forcefully in one second, essential for assessing lung function and diagnosing respiratory conditions.
FEV1 stands for forced expiratory volume in one second, which measures the amount of air that can be forcefully exhaled in one second during spirometry. This measurement is crucial in assessing lung function and diagnosing conditions such as asthma, emphysema, and fibrosis. The FEV1/FVC ratio is used to determine if there are abnormalities in lung function, aiding in the identification of various respiratory diseases.
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