By
John Campbell, DVM, DVSc, Large Animal Clinical Sciences, Western College of Veterinary Medicine, University of Saskatchewan
This classification represents a group of respiratory diseases characterized by an acute onset of severe respiratory distress and a combination of lung lesions that include pulmonary edema and congestion, interstitial emphysema, alveolar epithelialization, and hyaline membrane formation.
Lungworm infection in cattle (see Lungworm Infection) can also result in an atypical interstitial pneumonia.
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