Dictionary > Residual air

Residual air

Definition
noun
The amount of air that remains in the lungs following a maximal expiration.
Supplement
The residual air that remains in the lungs and are not expired. In unhealthy conditions such as asthma attack and diffuse obstructive emphysema, the residual volume is higher than normal.
Abbreviation: RV
Synonym(s):

See also:

  • total lung capacity


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