Stroke is defined as a loss of brain function due to blocked blood circulation to the brain. Strokes may be caused by a narrowing, obstruction, or leak in the lining of the carotid. This leaking of blood into the artery wall (dissection) may cause a clot to form, reducing blood flow and raising the risk of a stroke. The leak may arise from an injury to the neck, which means stroke secondary to carotid dissection may occur in young people as well as older people.
Review Date 4/29/2023
Updated by: Joseph V. Campellone, MD, Department of Neurology, Cooper Medical School of Rowan University, Camden, NJ. 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.