Ebstein anomaly combined with unique pulmonary venous abnormality in a 9-month-old child.

Ebstein anomaly is a rare CHD known for its wide spectrum of presentation with the age of diagnosis dependent on the malformation's severity. Here, the authors describe a case of delayed diagnosis of Ebstein anomaly, secondary to lack of medical attention, which resulted in severe tricuspid regurgitation and pulmonary hypertension. Furthermore, the case was complicated by a unique pulmonary venous abnormality.