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

Figure 2

Tracing curve of common carotid artery longitudinal motor function using velocity vector imaging in a patient with persistent atrial fibrillation. The curves show that the motion of the common carotid artery intima at each point was desynchronized and the curves were disordered and irregular.