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.
CT scan image (volume rendered). Aortic arch with vertebral pattern and Stanford B aortic dissection. (Blue arrow, brachiocephalic trunk; red arrow, left common carotid artery; white arrow, vertebral artery; green arrow, left subclavian artery; purple arrow, aortic dissection.) CT = computed tomography.
