fig60

Figure 60. Selected video frames from supra-sternal notch (A) and high parasternal short axis (B, C) views in a neonate with interrupted aortic arch. (A) The ascending (AAo) and descending (DAo) aortas are seen without any connection between them in this and other views. (B, C) show the ductus arteriosus (DA) connecting the main pulmonary artery (MPA) with the DAo, thus providing blood flow to the lower part of the body. The baby has already been on prostaglandin E₁ infusion. Reproduced from Ref.^[39]. LPA: Left pulmonary artery; RPA: right pulmonary artery.