CPR2 Lung Formulas and Drugs Flashcards
1
Q
Fowler’s Method (Vd/Vt)
A
Vd/Vt = 1 - (PeCO2 / PaCO2)
2
Q
Alveolar Ventilation based on PaCO2
A
VA= (VeCO2 * 0.863) / PaCO2
3
Q
PAO2
A
PiO2 - ( PaCO2 / 0.8 )
4
Q
A-a gradient
A
( PiO2 - ( PaCo2 / 0.8 ) )- PaO2
5
Q
FRC
A
Air left in the lungs after a tidal expiration.
TLC-IC
ERV + RV
6
Q
IC
A
Maximum inspiration possible after a tidal expiration
TV+IRV
TLC-FRC