Figure 18.
(a) Upper esophageal aortic arch short-axis view demonstrating the narrowing (arrow) of the aorta below the level of left subclavian artery. (b) Turbulent flow across the narrowed segment
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.