Figure 4From: Injurious mechanical ventilation in the normal lung causes a progressive pathologic change in dynamic alveolar mechanicsRat lung stained with hematoxylin and eosin. (a) Control group. (b) High pressure and low positive end-expiratory pressure group (arrows indicate fibrinous deposits in the alveolar lumen). (c) High pressure and high positive end-expiratory pressure group (arrows indicate inflammatory cells in the vascular compartment). Bar = 50 μmBack to article page