Figure 2.
High resolution B-mode ultrasound imaging of the same case, in the transversal access of the neck, shows the elliptical shape of the internal jugular vein, outlined by the interrupted line.
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.