Lung volumes and capacities Flashcards
1
Q
TV
A
Tidal Volume
Volume of gas inspired and expired on normal breaths.
2
Q
ERV
A
Expiratory reserve volume
The maximum volume of air that can be expelled from the lungs at the end of a normal expiration.
3
Q
IRV
A
Inspiratory reserve volume
The maximum volume that can be drawn into the lungs at the end of a normal inspiration.
4
Q
RV
A
Residual volume
The volume of gas in the lungs at the end of a maximal expiration.
5
Q
VC
A
Vital Capacity
The sum of TV, IRV and ERV
6
Q
TLC
A
Total lung capacity
VC and RV
7
Q
IC
A
Inspiratory capacity
TV and IRV
8
Q
FRC
A
Functional Residual Capacity
ERV and RV
9
Q
FEV1
A
Force expired volume in 1 second
