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Figure 3 | Critical Care

Figure 3

From: Clinical review: Respiratory mechanics in spontaneous and assisted ventilation

Figure 3

Compliance in emphysema and fibrosis. Shown are changes in the compliance of the inspiratory limb of the pressure–volume curve with respect to (a) chest wall, (b) lungs, and (c) combined lung-chest wall system in patients with emphysema and fibrosis. The functional residual capacity (FRC), represented on the vertical axis at a transmural pressure of 0, is elevated in emphysema, which can lead to dynamic hyperinflation. Reprinted from [3] with permission from Elsevier.

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