Vital capacity

Last revised by David Luong on 28 Jul 2021

Vital capacity (commonly termed VC) is a spirometric parameter defined as the maximum amount of air that can be expelled from the lungs after a maximum inhalation. It is equal to the sum of inspiratory reserve volume, tidal volume, and expiratory reserve volume.

Vital capacity increases with:

  • height

Vital capacity decreases with:

See also

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