When the carotid arteries become blocked with cholesterol plaques (atherosclerotic plaques), blood flow to the brain is compromised. Also, small pieces of plaque can break off and block small arteries in the brain. This blockage of the blood vessels can cause transient-ischemic attacks and strokes.
Review Date 5/10/2022
Updated by: Deepak Sudheendra, MD, MHCI, RPVI, FSIR, Founder and CEO, 360 Vascular Institute, with an expertise in Vascular Interventional Radiology & Surgical Critical Care, Columbus, OH. Review provided by VeriMed Healthcare Network. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.