Aortic Valve Atresia

**Semantic type:** Disease or Syndrome

**Definition:** A rare congenital heart defect characterized by the complete failure of the aortic valve to open. It is manifested during infancy with cyanosis, dyspnea, and rapidly progressing heart failure.

**Synonyms:** - Congenital Aortic Valve Atresia - Congenital Atresia of Aortic Valve