Fig. 9
From: High-frame rate vector flow imaging of the carotid bifurcation
Flow vorticity in low-degree stenosis and vessel dilatation. a) B-mode depicts a rose thorn plaque (arrowhead) before an enlarged bulb (*); CD shows a mixture of velocities and directions. b) VFI quantifies a large vortex (short green vectors) (*) during systolic deceleration (arrowhead). High-velocity vectors streamline toward the posterior wall (black arrow). CCA = Common carotid artery. ICA = Internal carotid artery. JV = Jugular vein