Abbreviation | Description | Unit |
ao | Airway opening | |
aw | Airway | |
bs | Body surface | |
es | Oesophageal | |
f
| Frequency | Hz |
f
res
| Resonant frequency | Hz |
FRC | Function residual capacity | L |
G
| (/Conductance 1R) | ·LkPa−1·s−1 |
Gaw | (/Airway conductance 1Raw) | ·LkPa−1·s−1 |
Grs | (/Total respiratory conductance 1Rrs) | ·LkPa−1·s−1 |
sGaw | (=Specific airway conductance G/)awFRC | kPa−1·s−1 |
in | Input | |
L | Pulmonary system | |
P
| Pressure | kPa |
R
| Real part of Z or resistance | ··kPasL−1 |
rs | Respiratory system | |
R
aw
| Airway resistance measured by body plethysmography | ··kPasL−1 |
sRaw | (/Specific airway resistance 1sGaw) | ·kPas |
R
rs
f
| Total respiratory resistance measured at frequency f | |
ti | Tissue | |
tr | Transfer | |
V' | Airflow | ·Ls−1 |
w | Chest wall | |
X
| Imaginary part of Z or reactance | ··kPasL−1 |
Z
| Impedance | ··kPasL−1 |