Lung Volumes
Volumes can be added together to describe...
What is capacity
What is compliance?
How easily the lungs fill with air
Type 2: Septal cells (They produce surfactant)
CLt
Compliance
The amount of air moved into and out of the lung with gentle breathing
Tidal Volume (Vt/ TV)
What type of compliance is measured without air moving in the lungs?
Static compliance
Makes the alveoli collapse
ST
Surface Tension
Air that remains in the lung after a forced exhalation
Residual Volume (RV)
What is elastance?
Change in pressure
Also called "paused pressure"
Plateau pressure
P
Pressure
The maximum amount of air that you can inhale ABOVE your Vt
Inspiratory Reserve Volume (IRV)
This type of compliance is measure with air moving in the lungs
Dynamic compliance
RAW
Resistance of the airway
Cstat
Static Compliance
Total air you can breathe in
Inspiratory Capacity (Vt + IRV = IC)
The law of elastance is also known as...
Hooke's Law
Formula for resistance...
v=Pr^4 or P=V/r^4