Closing Capacity (CC) To Total Lung Capacity Calculator
Total Lung Capacity (TLC) is the volume of air in the lungs at maximal inspiration. It is calculated by summation of the four primary lung volumes: inspiratory reserve volume (IRV), tidal volume (TV), expiratory reserve volume (ERV), residual volume (RV).
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- TLC = IRV + TV + ERV + RV
- CC = CV + RV
- CC / TLC (%) = 100 * CC / TLC
Where:
TLC
= Total lung capacity
CC
= Closing capacity
IRV
= Inspiratory Reserve Volume (Liters)
TV
= Tidal Volume (Liters)
ERV
= Expiratory Reserve Volume (Liters)
RV
= Residual Volume (Liters)
CV
= Closing Volume (Liters)