Persistent truncus arteriosus anatomical changes
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Anatomical changes
Anatomical changes associated with this disorder includes:
- single artery arising from the two ventricles which gives rise to both the aortic and pulmonary vessels
- abnormal truncal valve
- right sided aortic arch in about 30% of cases (not shown)
- large ventricular septal defect
- pulmonary hypertension
- complete mixing occurring at level of the great vessel