Carotid Artery DiseasesCarotid ArteriesCarotid Artery, InternalCarotid StenosisCarotid Artery, CommonEndarterectomy, CarotidCarotid Artery, ExternalCarotid Artery ThrombosisArteriesCoronary Artery DiseaseUltrasonography, Doppler, DuplexCarotid Artery, Internal, DissectionEndarterectomyArterial Occlusive DiseasesCarotid BodyCerebral ArteriesIschemic Attack, TransientStentsTunica IntimaCarotid SinusMagnetic Resonance AngiographyCerebral AngiographyCerebrovascular DisordersRisk FactorsAngioplastyAngiographyCerebrovascular CirculationTunica MediaStrokeUltrasonographyPulmonary ArteryAmaurosis FugaxArteriosclerosisAngioplasty, BalloonUltrasonography, Doppler, TranscranialCircle of WillisCoronary Artery BypassFemoral ArteryAngiography, Digital SubtractionTomography, X-Ray ComputedCoronary DiseaseCarotid Intima-Media ThicknessProspective StudiesVertebral ArteryTreatment OutcomeCarotid Artery InjuriesBlood Flow VelocityBasilar ArteryIntracranial ArteriosclerosisOphthalmic ArteryRenal ArteryBrain IschemiaTime FactorsIntracranial EmbolismImage Processing, Computer-AssistedRetinal Artery OcclusionMesenteric ArteriesFollow-Up StudiesCoronary AngiographyPredictive Value of TestsConstriction, PathologicSubclavian ArteryIntracranial Embolism and ThrombosisCerebral InfarctionRetrospective StudiesAcetazolamideSeverity of Illness IndexUltrasonography, Doppler, ColorBlood PressureSensitivity and SpecificityAsymptomatic DiseasesRadial ArteryBrachial ArteryCoronary VesselsIliac ArteryEmbolismRisk AssessmentUltrasonography, DopplerPostoperative ComplicationsMuscle, Smooth, VascularCatheterizationMammary ArteriesAtherosclerosisCollateral CirculationMiddle Cerebral ArteryReproducibility of ResultsAneurysmEndothelium, VascularRegional Blood FlowVasodilationIntracranial AneurysmCalcinosisMagnetic Resonance ImagingHemodynamicsCerebral RevascularizationCarotid Body TumorTemporal ArteriesImage Interpretation, Computer-AssistedBrainLigation