Pulmonary compliance (or lung compliance) can refer to either dynamic or static lung compliance. Static lung compliance is the change in volume for any given applied pressure. Dynamic lung compliance is the compliance of the lung at any given time during actual movement of air.
The compliance of the lungs demonstrate hysteresis, that is the compliance is different on inspiration and expiration for identical volumes.
Compliance is greatest at moderate lung volumes, and much lower at volumes which are very low or very high.
Read more about Pulmonary Compliance: Calculation, Clinical Significance, Functional Significance of Abnormally High or Low Compliance
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