Pulmonary atresia is an extremely rare form of congenital heart disease. It involves severe narrowing or complete obstruction of the pulmonary valves (the valves at the outlet of the right ventricle).
by Simon D. Mitin, M.D.
All ArmMed Media material is provided for information only and is neither advice nor a substitute for proper medical care. Consult a qualified healthcare professional who understands your particular history for individual concerns.