Compliance refers to the ability of an organ to be able to adjust its volume to pressure. It describes the organ's capabilities for flexibility and distension. Good compliance indicates that an organ is able to "inflate" in response to an increase in its content, thanks to its elastic fibers, and to return to its original shape when the pressure drops within it. The lungs or heart are organs with good compliance in the absence of disorders. Diseased lungs, mainly in cases of lung fibrosis, have a diminished compliance. When ventricular compliance decreases in the heart, blood ejection and circulation diminish.
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. Translated by Jeff