The carotid arteries take oxygenated blood from the heart to the brain. The pulse from the carotids may be felt on either side of the front of the neck just below the angle of the jaw. This rhythmic "beat" is caused by varying volumes of blood being pushed out of the heart toward the extremities.
Update Date 1/31/2015
Updated by: Linda J. Vorvick, MD, Medical Director and Director of Didactic Curriculum, MEDEX Northwest Division of Physician Assistant Studies, Department of Family Medicine, UW Medicine, School of Medicine, University of Washington, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.