Radial ArteryCarotid ArteriesAmaurosis FugaxCarotid Artery DiseasesCarotid StenosisCarotid Artery, InternalCarotid Artery, Internal, DissectionCarotid Artery, ExternalCarotid Artery, CommonNeckEndarterectomy, CarotidCarotid Artery ThrombosisArteriesMagnetic Resonance AngiographyStentsIschemic Attack, TransientCarotid BodyTunica IntimaCarotid SinusCerebral ArteriesTunica MediaPulmonary ArteryCerebral AngiographyFemoral ArteryCarotid Intima-Media ThicknessVertebral ArteryCarotid Artery InjuriesUltrasonography, Doppler, DuplexBasilar ArteryArterial Occlusive DiseasesRenal ArteryMesenteric ArteriesAngioplasty, BalloonAngiographyAngiography, Digital SubtractionArteriosclerosisSubclavian ArteryEndarterectomyCerebrovascular CirculationAngioplastyCoronary Artery BypassMammary ArteriesIliac ArteryTomography, X-Ray ComputedStrokeBrain IschemiaCerebrovascular DisordersTreatment OutcomeMuscle, Smooth, VascularCatheterizationTime FactorsRisk FactorsBrachial ArteryMiddle Cerebral ArteryOphthalmic ArteryAneurysmUltrasonographyBlood PressureIntracranial EmbolismBlood Flow VelocityUltrasonography, Doppler, ColorProspective StudiesIntracranial AneurysmCircle of WillisIntracranial ArteriosclerosisAtherosclerosisUltrasonography, Doppler, TranscranialCerebral InfarctionRegional Blood FlowCerebral RevascularizationFollow-Up StudiesTemporal ArteriesCoronary VesselsIntracranial Embolism and ThrombosisEndothelium, VascularCarotid Body TumorJugular VeinsVasodilationLigationCavernous SinusEmbolization, TherapeuticUltrasonography, DopplerSplenic ArteryRetrospective StudiesRetinal Artery OcclusionConstriction, PathologicPredictive Value of TestsHyperplasiaPostoperative ComplicationsHepatic ArteryHemodynamicsCeliac ArteryThoracic ArteriesRabbitsVasoconstrictionSeverity of Illness IndexReproducibility of ResultsPlaque, AtheroscleroticCalcinosisSensitivity and Specificity