Biliary atresia is a multifactorial neonatal disorder affecting the extrahepatic bile ducts leading to cholestatic jaundice and eventual liver transplantation. The most frequent viral infection linked to biliary atresia is CMV. It has not yet been documented that Tetralogy of Fallot, a common cyanotic congenital cardiac defect, is connected to BA. An unusual feature of the case is the rare combination of cytomegalovirus infection, tetralogy of Fallot, and biliary atresia....