D2I2.
congenital

Pulmonary atresia

atresia is a of the pulmonary valve in which the valve orifice fails to develop. The valve is completely closed thereby obstructing the outflow of blood from the heart to the lungs. The pulmonary valve is located on the right side of the heart between the right and pulmonary . In a normal functioning heart, the opening to the pulmonary valve has three flaps that open and close.

Underlined words are explained — tap any of them.

Symptoms — what it feels like

  • ·Cyanosis

Causes — why it happens

  • ·No known cause for atresia

How it's found

  • ·Chest x-ray, Echocardiogram

Treatment

  • ·Prostaglandin E1, Heart catheterization
Plain-language summary adapted from Wikipedia. Not medical advice.