fig12

Figure 12. Echo frames from suprasternal notch view of the aortic arch (Arch) illustrating the ascending aorta (AAo), aortic arch, and descending aorta (DAo) in two-dimensional (A) and with color flow (B) imaging. The right innominate (RInn), left common carotid (LCC), and left subclavian (LSA) arteries originating from the aortic arch are demonstrated without in (A) and with color in (B) flow imaging. Note red flow in the AAo and blue flow in the DAo (B). Reproduced from Ref.^[19].