Describe the three types of TAPVR. How is PAPVR different from TAPVR? What is hypoplastic left heart syndrome? What is the appearance of PAPVR on CXR? What is the characteristic appearance of the supracardiac type of TAPVR on CXR? What is the typical appearance of hypoplastic left heart syndrome on CXR? What two other causes of congenital cardiomegaly in newborns result in right atrial enlargement? When does hypoplastic left heart syndrome manifest? Book traversal links for TAPVR ‹ Cyanotic CHD Up Describe the three types of TAPVR. ›