Intima-media thickness (IMT) of Carotid Artery Screening
Carotid intima-media thickness (CIMT) testing.
This is a noninvasive ultrasound examination of your neck (carotid) arteries that measures artery thickening and detects early development of heart disease before blockages begin to form. It can also detect nonocclusive plaque within an artery.
Adapted From Mayo Clinic