When necessary, this passageway is kept open using medication in babies with tricuspid atresia.

CNN: Tricuspid atresia

Some babies with tricuspid atresia have another heart defect a hole between the lower two chambers (ventricular septal defect).

CNN: Tricuspid atresia

If a baby with tricuspid atresia doesn't have an atrial septal defect, the baby may need a procedure to create this opening.

CNN: Tricuspid atresia