Tag: Tricuspid atresia

Tricuspid atresia (TA) is a cyanotic congenital heart defect characterized by the absence or complete occlusion of the tricuspid valve, preventing normal blood flow from the right atrium to the right ventricle. This condition occurs in approximately 0.5–1.2 per 10,000 live births, accounting for ~3–5% of all congenital heart diseases (PHI registry data, Circulation, 2023).…