Carotid Artery DiseasesCarotid ArteriesCarotid StenosisCarotid Artery, InternalEndarterectomy, CarotidCarotid Artery, CommonCarotid Artery, ExternalCoronary Artery DiseaseCarotid Artery ThrombosisCarotid BodyEndarterectomyArteriesUltrasonography, Doppler, DuplexCarotid SinusArterial Occlusive DiseasesIschemic Attack, TransientStentsMagnetic Resonance AngiographyRisk FactorsCerebrovascular DisordersCarotid Artery, Internal, DissectionTunica IntimaAmaurosis FugaxAngioplastyStrokeUltrasonographyUltrasonography, Doppler, TranscranialCerebral ArteriesCoronary DiseaseCircle of WillisCerebrovascular CirculationCerebral AngiographyAngiographyTunica MediaArteriosclerosisCarotid Intima-Media ThicknessCarotid Artery InjuriesProspective StudiesAngioplasty, BalloonAngiography, Digital SubtractionCoronary Artery BypassBlood Flow VelocityIntracranial ArteriosclerosisTreatment OutcomeIntracranial EmbolismTomography, X-Ray ComputedRetinal Artery OcclusionBrain IschemiaAcetazolamideCoronary AngiographyTime FactorsFollow-Up StudiesPredictive Value of TestsAsymptomatic DiseasesConstriction, PathologicOphthalmic ArteryFemoral ArteryIntracranial Embolism and ThrombosisSeverity of Illness IndexEmbolismRetrospective StudiesCerebral InfarctionPulmonary ArteryVertebral ArteryRisk AssessmentBlood PressureUltrasonography, Doppler, ColorSensitivity and SpecificityPostoperative ComplicationsUltrasonography, DopplerBasilar ArteryCollateral CirculationRenal ArteryCoronary VesselsCarotid Body TumorSubclavian ArteryAtherosclerosisMesenteric ArteriesBrachial ArteryCatheterizationPatient SelectionMagnetic Resonance ImagingRadial ArteryReproducibility of ResultsMuscle, Smooth, VascularIliac ArteryCalcinosisEndothelium, VascularAneurysmMiddle Cerebral ArteryRegional Blood FlowPlaque, AtheroscleroticHemodynamicsMyocardial InfarctionMammary ArteriesCoronary StenosisVasodilationPrevalenceLogistic ModelsExercise Test