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Diffusing capacity of the lung; the capacity of the lungs to transfer carbon monoxide (mL/min/mm Hg)
Expiratory Reserve Volume; the maximum volume of air that can be exhaled from the end-respiratory tidal position (L)
Forced Expiratory Time; the amount of time the patient exhales during the FVC maneuver (seconds)
Forced Expiratory Volume in 1 second; volume of air forcibly expired from a maximum inspiratory effort in the first second (L)
Functional Residual Capacity; the volume of air in lungs following a tidal volume exhalation = ERV+RV (L)
Forced vital capacity; the total volume that can be forcefully expired from a maximum inspiratory effort (L)
Inspiratory Capacity; the maximum volume of air that can be inhaled from tidal volume end-expiratory level; the sum of IRV and VT (L)
Inspiratory Reserve Volume; the maximum volumeof air that can be inhaled from the end-inspiratory tidal position (L)
Lower Limit of Normal; the lowest value expected for a person of the same age, gender, and height, with normal lung function
Total Lung Capacity; the total volume of air in the lungs at full inhalation; the sum of all volume components (IC + FRC + or IRV + Vt + ERV + RV) (L)
Tidal Volume; the volume of air that is inhaled or exhaled with each breath when a person is breathing at rest (L)
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