Congenital Pulmonary Artery Stenosis

**Semantic type:** Congenital Abnormality

**Definition:** A congenital cardiovascular abnormality characterized by the narrowing of the lumen of the main pulmonary artery or its branches. It may be associated with other congenital heart malformations. Signs and symptoms include dyspnea, tachypnea, tachycardia, fatigue, and edema.