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268 Acute Respiratory Distress Syndrome
Bruce D. Levy / Augustine M. K. Choi

	Figure 268-1  Diagram illustrating the time course for the development and resolution of ARDS. The exudative phase is notable for early alveolar edema and neutrophil-rich leukocytic infiltration of the lungs with subsequent formation of hyaline membranes from diffuse alveolar damage. Within 7 d ...
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	Figure 268-2  A representative anteroposterior (AP) chest x-ray in the exudative phase of ARDS that shows diffuse interstitial and alveolar infiltrates, that can be difficult to distinguish from left ventricular failure.
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	Figure 268-3  The normal alveolus (left-hand side) and the injured alveolus in the acute phase of acute lung injury and the acute respiratory distress syndrome (right-hand side). In the acute phase of the syndrome (right-hand side), there is sloughing of both the bronchial and alveolar epitheli ...
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	Figure 268-4  A representative computed tomographic scan of the chest during the exudative phase of ARDS in which dependent alveolar edema and atelectasis predominate.
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	Figure 268-5  Algorithm for the initial management of ARDS. Clinical trials have provided evidence-based therapeutic goals for a stepwise approach to the early mechanical ventilation, oxygenation, and correction of acidosis and diuresis of critically ill patients with ARDS.
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