AngiographyCoronary AngiographyMagnetic Resonance AngiographyCerebral AngiographyAngiography, Digital SubtractionTomography, X-Ray ComputedFluorescein AngiographyMultidetector Computed TomographyCoronary StenosisCoronary Artery DiseaseIopamidolContrast MediaChest PainTomography, Spiral ComputedSensitivity and SpecificityRadionuclide AngiographyIntracranial AneurysmRadiographic Image Interpretation, Computer-AssistedPredictive Value of TestsRadiation DosageImaging, Three-DimensionalProspective StudiesEmbolization, TherapeuticCoronary VesselsRadiographic Image EnhancementIntracranial Arteriovenous MalformationsPlaque, AtheroscleroticReproducibility of ResultsFractional Flow Reserve, MyocardialMyocardial Perfusion ImagingRetrospective StudiesCarotid Artery, InternalImage Processing, Computer-AssistedSeverity of Illness IndexVascular CalcificationFollow-Up StudiesVertebral ArteryMyocardial RevascularizationCoronary DiseaseIohexolStentsCalcinosisArterial Occlusive DiseasesSubarachnoid HemorrhageAneurysm, RupturedTreatment OutcomeIndocyanine GreenMyocardial InfarctionConstriction, PathologicCentral Nervous System Vascular MalformationsVertebrobasilar InsufficiencyObserver VariationCarotid StenosisTomography, Emission-Computed, Single-PhotonArteriovenous FistulaUltrasonography, InterventionalAsymptomatic DiseasesROC CurveTriageCerebral ArteriesImage Interpretation, Computer-AssistedCerebral VeinsAngioplasty, Balloon, CoronaryFundus OculiRisk AssessmentCircle of WillisFeasibility StudiesRisk FactorsArteriovenous MalformationsCarotid Artery DiseasesCollateral CirculationTriiodobenzoic AcidsElectrocardiographyMagnetic Resonance ImagingAngina PectorisPrognosisAcute Coronary SyndromeAortographyTime FactorsCardiac CatheterizationGadolinium DTPAExercise TestUltrasonography, Doppler, DuplexImage EnhancementRadiography, InterventionalVascular PatencyCarotid ArteriesCineangiographyBlood Flow VelocityAngiocardiographyBasilar ArteryCoronary CirculationCerebral Arterial DiseasesCardiac-Gated Imaging TechniquesCoronary Vessel AnomaliesPulmonary EmbolismRenal ArteryArtifactsAneurysmCeliac Artery