Pulmonary Edema
Cephalization of pulmonary vasculature
Kerley lines
Haziness of pulmonary vascular shadows
Diffuse alveolar edema
Medullary distribution
Butterfly or bat wing appearance
Soft fluffy coalescing
Air bronchogram
Rapid onset and clearance
Pleura effusions
Bilateral
Subpulmonic
Right larger
"Vanishing tumors" - Fluid in fissures
Normal versus enlarged heart
Upper lobe distribution
Neurogenic pulmonary edema