FORCED VITAL CAPACITY Meaning and
Definition
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Forced Vital Capacity (FVC) refers to a prominent parameter used to evaluate lung function and measure lung capacity. It represents the maximum amount of air an individual can forcefully exhale after taking a deep breath. FVC is often measured using spirometry, a common pulmonary function test that assesses how well the lungs are functioning.
During the test, the subject is required to inhale as much air as possible and then exhale forcefully and rapidly into a spirometer, a specialized device that measures the volume of air expelled. The FVC is then obtained by recording the total volume of air expelled during the most forceful exhalation.
FVC is a crucial measurement in diagnosing and monitoring various respiratory conditions, such as chronic obstructive pulmonary disease (COPD), asthma, and restrictive lung diseases. It provides valuable information about lung function, as reduced FVC may indicate impaired lung mechanics and decreased lung capacity due to various factors such as inflammation, obstruction, or stiffness of the lungs.
The FVC measurement is often reported alongside other spirometry parameters, such as forced expiratory volume in one second (FEV1), which represents the volume of air expelled in the first second of the forced exhalation. These measurements assist healthcare professionals in assessing lung health, determining the severity of lung diseases, monitoring disease progression, and evaluating the effectiveness of interventions or treatments.
Common Misspellings for FORCED VITAL CAPACITY
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- forxed vital capacity
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