Bat's wings of pulmonary edema


Heart failure on the chest x-ray has several well-described appearances.

a. Cardiomegaly

b. Pleural effusions

c. Upper lobe venous distension

d. Interlobular septal (Kerley B) lines

e. Perihilar consolidation

In only a small portion of usually the most severe cases of pulmonary edema are the bat's wings appearance observed.