Role of the CHADS₂ Score in the Evaluation of Carotid Atherosclerosis in Patients with Atrial Fibrillation Undergoing Carotid Artery Ultrasonography

Figure 1

Tracing curve of common carotid artery longitudinal motor function using velocity vector imaging in a patient with sinus rhythm. The curves show regular synchronized motion of the common carotid artery intima during the cardiac cycle, with consistent velocity direction and magnitude.