Radial ArteryCarotid ArteriesCarotid Artery DiseasesCarotid Artery, InternalCarotid Artery, CommonCarotid StenosisCarotid Artery, ExternalEndarterectomy, CarotidCarotid Artery ThrombosisArteriesNeckHead and Neck NeoplasmsCarotid Artery, Internal, DissectionCarotid BodyTunica IntimaCarotid SinusCerebral ArteriesTunica MediaPulmonary ArteryCerebral AngiographyFemoral ArteryNeck PainStentsVertebral ArteryCarotid Intima-Media ThicknessCarotid Artery InjuriesUltrasonography, Doppler, DuplexBasilar ArteryArterial Occlusive DiseasesRenal ArteryMesenteric ArteriesMagnetic Resonance AngiographyIschemic Attack, TransientAngioplasty, BalloonAngiographyAngiography, Digital SubtractionSubclavian ArteryArteriosclerosisEndarterectomyTomography, X-Ray ComputedCerebrovascular CirculationAngioplastyNeck InjuriesTreatment OutcomeCoronary Artery BypassMammary ArteriesIliac ArteryStrokeTime FactorsBrain IschemiaRisk FactorsCerebrovascular DisordersCatheterizationMuscle, Smooth, VascularBrachial ArteryAneurysmMiddle Cerebral ArteryOphthalmic ArteryUltrasonographyProspective StudiesBlood PressureIntracranial AneurysmBlood Flow VelocityIntracranial EmbolismUltrasonography, Doppler, ColorFollow-Up StudiesCircle of WillisIntracranial ArteriosclerosisAtherosclerosisUltrasonography, Doppler, TranscranialCerebral InfarctionRegional Blood FlowCarotid Body TumorJugular VeinsRetrospective StudiesCerebral RevascularizationTemporal ArteriesCoronary VesselsIntracranial Embolism and ThrombosisEndothelium, VascularEmbolization, TherapeuticAmaurosis FugaxVasodilationLigationUltrasonography, DopplerCavernous SinusPostoperative ComplicationsPredictive Value of TestsRetinal Artery OcclusionSplenic ArteryConstriction, PathologicHyperplasiaHepatic ArteryHemodynamicsReproducibility of ResultsFemoral Neck FracturesCeliac ArterySensitivity and SpecificitySeverity of Illness IndexMagnetic Resonance Imaging