Diagram showing changes in the
lung leading to the
Adult Respiratory Distress Syndrome
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| The Adult
Respiratory Distress Syndrome: - In ARDS, Type1 cells die as a result of diffuse alveolar damage. - Intra-alveolar edema follows, after which there is formation of hyaline membrane composed of proteinaceous exudate and cell debris. -In the acute phase the lungs are markedly congested and heavy. - Type II cells multiply to line the alveolar surface. - Interstitial inflammation is characteristic. - The lesion may heal completely or progress to interstitial fibrosis. |
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