Coronary-Subclavian Steal SyndromeCoronary Vessel AnomaliesCoronary VesselsCoronary AngiographyCoronary CirculationCoronary Artery DiseaseArteriesCoronary Artery BypassAngioplasty, Balloon, CoronaryCoronary StenosisCoronary DiseasePericardiumPulmonary ArteryBlood VesselsMyocardial InfarctionHeartCoronary RestenosisCarotid ArteriesCoronary VasospasmDogsFemoral ArteryEndothelium, VascularVasodilationStentsCerebral ArteriesVasodilator AgentsTreatment OutcomeRenal ArteryMesenteric ArteriesMyocardiumTime FactorsNitroglycerinEbstein AnomalyRisk FactorsCoronary AneurysmCoronary ThrombosisTomography, X-Ray ComputedBasilar ArteryProspective StudiesMyocardial IschemiaVasoconstrictionMammary ArteriesRadial ArteryFollow-Up StudiesUltrasonography, InterventionalElectrocardiographyVasa VasorumPredictive Value of TestsCoronary OcclusionHemodynamicsIliac ArteryMagnetic Resonance AngiographySwineCalcinosisVertebral ArteryMuscle, Smooth, VascularVascular ResistanceSubclavian ArteryAdenosineBlood PressureRetrospective StudiesAcetylcholineCarotid Artery, InternalPercutaneous Coronary InterventionCarotid Artery DiseasesSensitivity and SpecificityNitric OxideLymphatic VesselsRegional Blood FlowBrachial ArteryAbnormalities, MultipleModels, CardiovascularBlood Flow VelocityNeovascularization, PhysiologicSeverity of Illness IndexCarotid Artery, CommonCoronary Artery Bypass, Off-PumpReproducibility of ResultsCoronary Care UnitsVeinsExercise TestRetinal VesselsCongenital AbnormalitiesHepatic ArteryContrast MediaBiological MarkersSplenic ArteryThoracic ArteriesCoturnixQuailCardiac CatheterizationCeliac ArteryFeasibility StudiesAngina PectorisMyocardial RevascularizationMesenteric Artery, SuperiorUmbilical ArteriesOphthalmic ArteryRisk AssessmentAngiography