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Fig. 3D —1-week-old male neonate with type B interrupted aortic arch
(IAA) and ventricular septal defect. Sagittal black blood MR image shows
vascular arch that is almost completely visualized in single sagittal plane.
This structure is formed from main pulmonary artery (MPA) and patent ductus
arteriosus (PDA) and appears flattened compared with normal aortic arch,
confirming presence of IAA. Patent ductus arteriosus provides blood flow to
descending thoracic aorta (DA). Left pulmonary artery (LPA) is also seen.
