CTICasesIntracardiac TAPVR
Imaging findings
Cardiac CT of an infant shows a markedly dilated right atrium and ventricle. The interatrial septum is completely formed but severely deviated leftward, forcing the pulmonary veins to drain into the right atrium (intracardiac TAPVR).
Key takeaways
Intracardiac TAPVR can occur due to leftward migration/deviation of the interatrial septum. The septum is structurally intact but malpositioned, which can be surgically corrected by repositioning the septum.
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