Tricuspid Atresia is a congenital heart defect where the tricuspid valve does not form properly, preventing blood from flowing from the right atrium to the right ventricle. This condition leads to inadequate blood circulation to the lungs, where oxygenation occurs. To compensate, the heart develops alternative pathways, such as an enlarged right atrium and other structural changes. Treatment often involves surgery to improve blood flow and ensure adequate oxygen supply to the body. Early diagnosis and intervention are crucial for better outcomes in individuals with this condition.