Inclusion Criteria:  Presence of carotid artery stenosis (≥50%) according to conventional clinically performed imaging (duplex/CT(A)/MR(A)) and scheduled for a CEA; Possibility to perform carotid ultrasound ≤2 weeks before the CEA ≥18 years old; Able to provide signed or oral informed consent.  Exclusion Criteria:  Hampered carotid blood flow imaging during clinically performed duplex/doppler measurements due to near to total carotid occlusion at the side of interest or a calcified plaque; Restenosis after carotid revascularisation at side of interest; Participating in another clinical study, interfering on outcomes;