Presentation
Central cyanosis.
Patient Data
Age: 2 days
Gender: Female
From the case:
Transposition of great vessels
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Axial C+ arterial phase

The aorta arises from the right ventricle, while the pulmonary artery arises from the left ventricle.
A large VSD is also seen which maintains the circulation.
From the case:
Transposition of great vessels

A diagram illustrating the anatomical features of transposition of great vessels.
Case Discussion
CTA directly shows the abnormal origin of the major vessels; the aorta and the pulmonary trunk.