Mar 26, 2024 · A baby in the womb needs these other passages. But they usually close soon after birth. Pulmonary atresia is a life-threatening condition that needs emergency treatment. Treatment …

Jul 14, 2025 · Pulmonary atresia is a congenital heart defect (present at birth) in which your pulmonary valve doesn’t develop or stays blocked after birth. Without a working pulmonary valve, blood can’t …

Pulmonary atresia is a life-threatening condition, affecting one out of every 10,000 newborns. Babies born with pulmonary atresia need medication and surgery to correct the heart defect and improve …

Jan 8, 2026 · Pulmonary atresia (pronounced PULL-mun-airy ah-TREE-sha) is a congenital heart defect. Congenital means present at birth. It occurs when the valve that controls blood flow from the heart to …

Pulmonary atresia (PA) is a heart defect. It happens when the fetal heart doesn’t form as it should during the first 8 weeks of pregnancy.

In babies with pulmonary atresia, the pulmonary valve is missing or blocked. This means there is no way for blood to get from the right ventricle to the pulmonary artery.

There are two types of pulmonary atresia. Pulmonary atresia with intact ventricular septum (PA-IVS) is a rare congenital malformation. PA-IVS involves complete blockage of the pulmonary valve located on …

Key points about pulmonary atresia Pulmonary atresia is an abnormal development of the pulmonary valve. Without repair, the heart can’t pump oxygenated blood to the body and can’t support life. Your …

As with most congenital heart diseases, there is no known cause of pulmonary atresia. The condition is linked with another type of congenital heart defect called a patent ductus arteriosus (PDA). …

As with most congenital heart diseases, there is no known cause of pulmonary atresia. The condition is linked with another type of congenital heart defect called a patent ductus arteriosus (PDA). …