Carotid Artery DiseasesCarotid ArteriesCarotid StenosisCarotid Artery, InternalEndarterectomy, CarotidCarotid Artery, CommonCarotid Artery, ExternalCoronary Artery DiseaseCarotid Artery ThrombosisCarotid BodyEndarterectomyArteriesUltrasonography, Doppler, DuplexCarotid SinusArterial Occlusive DiseasesIschemic Attack, TransientPlaque, AtheroscleroticStentsRisk FactorsMagnetic Resonance AngiographyCerebrovascular DisordersTunica IntimaCarotid Artery, Internal, DissectionStrokeAmaurosis FugaxArteriosclerosisAngioplastyUltrasonographyUltrasonography, Doppler, TranscranialCerebral ArteriesCoronary DiseaseCircle of WillisCerebrovascular CirculationCerebral AngiographyAngiographyTunica MediaCarotid Intima-Media ThicknessProspective StudiesCarotid Artery InjuriesAngioplasty, BalloonIntracranial ArteriosclerosisAngiography, Digital SubtractionCoronary Artery BypassBlood Flow VelocityTreatment OutcomeTomography, X-Ray ComputedIntracranial EmbolismCoronary AngiographyPredictive Value of TestsTime FactorsBrain IschemiaRetinal Artery OcclusionFollow-Up StudiesAcetazolamideAsymptomatic DiseasesSeverity of Illness IndexFemoral ArteryConstriction, PathologicOphthalmic ArteryIntracranial Embolism and ThrombosisEmbolismRetrospective StudiesRisk AssessmentCerebral InfarctionAtherosclerosisPulmonary ArteryVertebral ArteryUltrasonography, Doppler, ColorBlood PressureSensitivity and SpecificityCoronary VesselsDental PlaqueUltrasonography, DopplerPostoperative ComplicationsCollateral CirculationBasilar ArteryRenal ArteryCarotid Body TumorSubclavian ArteryCalcinosisMesenteric ArteriesBrachial ArteryMagnetic Resonance ImagingReproducibility of ResultsMuscle, Smooth, VascularCatheterizationPatient SelectionRadial ArteryIliac ArteryEndothelium, VascularCoronary StenosisMyocardial InfarctionRegional Blood FlowMiddle Cerebral ArteryAneurysmHemodynamicsMammary ArteriesBrainPrevalenceAngina Pectoris