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.
Calcified plaque within the carotid artery of a patient. (a) B-mode image of the plaque, where the red circles indicate calcified regions identified by the radiologist. (b) Color-flow Doppler image indicates no blood flow within the plaque region.
