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Tricuspid atresia
- Tricuspid atresia occurs when the tricuspid heart valve is missing or abnormally developed. The defect blocks blood flow from the right atrium to ...
- ... a congenital heart condition which results in an abnormality of the tricuspid valve. In this condition the tricuspid valve is ... and displaced downward towards the right ventricle. The abnormality causes the tricuspid valve to leak blood backwards into the right ...