lung compliance

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lung compliance

a measure of the ease of expansion of the lungs and thorax, determined by pulmonary volume and elasticity. A high degree of compliance indicates a loss of elastic recoil of the lungs, as in old age or emphysema. Decreased compliance means that a greater change in pressure is needed for a given change in volume, as in atelectasis, edema, fibrosis, pneumonia, or absence of surfactant. Dyspnea on exertion is the main symptom of diminished lung compliance.

lung compliance

See Compliance.

lung com·pli·ance

(lŭng kŏm-plī'ăns)
The change in lung volume per unit change in transpulmonary pressure; may be static or dynamic.
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