Male 5 years old Reason: s/p Fontan operation Systemic venous return is into the pulmonary artery. SVC and IVC caliber are normal. There is a functional single ventricle with small, and slightly hypoplastic left posterior ventricle. The apex is forming right ventricle. Right and left AV valves are normal with no significant regurgitation. There is a left aortic arch and aortic arch vessels are branching normally. The ascending aorta is anterior and quite large (25 mm). The main pulmonary artery valve is atretic. Complete Fontan pathway is unobstructed. IVC extracardiac conduit and the SVC connected to the right main pulmonary artery. The SVC is connection is directed towards the left pulmonary artery whereas the SVC connection is more directed towards the right pulmonary artery.No evidence of venous-venous or arteriovenous collaterals.Extracardiac Findings Partial view of the hollow viscus and solid organs of the upper abdomen are normal.
1. Completely patent Fontan pathway with no evidence of venous or arterial collateralsDr. Peter Varga was present during the elaboration of this report and agrees with the findings. 