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Reference.org
Diffuse alveolar damage
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<p>Diffuse alveolar damage (DAD) is a <a href="/facts/Histology/yrI90zlU">histologic</a> term used to describe specific changes that occur to the structure of the <a href="/facts/Lung/gTWXI6Fj">lungs</a> during injury or <a href="/facts/Respiratory_disease/CDRTg5Ev">disease</a>. Most often DAD is described in association with the early stages of acute respiratory distress syndrome (<a href="/facts/Acute_respiratory_distress_syndrome/1V3mxJkU">ARDS</a>). DAD can be seen in situations other than ARDS (such as <a href="/facts/Acute_interstitial_pneumonia/6kG3cMGE">acute interstitial pneumonia</a>) and that ARDS can occur without DAD. </p>