Keywords : carotid atherosclerosis, carotid bifurcation, carotid bulb, carotid endarterectomy, carotid plaque, carotid stenosis, carotid ultrasound, CCA, CEA, cerebrovascular ultrasound, CEUS, color Doppler, common carotid artery, contrast enhanced ultrasound, ECA, EDV, end diastolic velocity, external carotid artery, ICA, internal carotid artery, knocking waveform, Peak systolic velocity, power Doppler, PSV, Society of Radiologists in Ultrasound, SonoVue™, SRU, staccato waveform, tardus parvus waveform, vertebral artery