An explanation of alveolar vs. interstitial opacities, including cardiogenic and non-cardiogenic pulmonary edema, and the 3 types of interstitial patterns (reticular, nodular, and reticulonodular). Examples provided of air bronchograms, peribroncial cuffing, Kerley A and B lines, and cephalization. Etiologies of low lung volumes and hyperinflation are also discussed.
Video includes the following image (among others):
Cephalization, downloaded from Radiopaedia.org , originally posted by Charlie Chia-Tsong Hsu.