Pulmonary Atresia

Etiology: Congenital
Imaging: Right to left shunt and right ventricular outflow obstruction leads to cyanosis and decreased pulmonary blood flow
Imaging CXR: Cardiomegaly due to right atrial enlargement with decreased pulmonary blood flow
DDX:
Complications:
Treatment:
Clinical:

Radiology Cases of Pulmonary Atresia

CXR of pulmonary atresia with intact ventricular septum — CXR AP shows decreased pulmonary vascularity and mild cardiomegaly.

CXR of pulmonary atresia — CXR AP shows cardiomegaly and relatively decreased pulmonary vascularity.