Preset
Lung Properties
Ventilation
Statistics
480
Tidal Vol (mL)
6.7
Min. Vol (L/min)
8.0
Peak Paw (cmH₂O)
0.5
Work/breath (J/L)
Respiratory mechanics:
P = V/C + R·Q̇ (pressure = elastic + resistive)
Compliance C = ΔV/ΔP — stiffness of lung tissue.
Low C → stiff lungs (ARDS). High R → obstruction (COPD, asthma).
Work of breathing ∝ area of P–V loop.
P = V/C + R·Q̇ (pressure = elastic + resistive)
Compliance C = ΔV/ΔP — stiffness of lung tissue.
Low C → stiff lungs (ARDS). High R → obstruction (COPD, asthma).
Work of breathing ∝ area of P–V loop.