Tomography, X-Ray ComputedAngiographyCatheters, IndwellingCoronary AngiographyCerebral AngiographyMultidetector Computed TomographyMagnetic Resonance AngiographyAngiography, Digital SubtractionCathetersTomography, Spiral ComputedRadiographic Image Interpretation, Computer-AssistedCoronary StenosisCoronary Artery DiseaseIopamidolAortographyPredictive Value of TestsContrast MediaTomographySensitivity and SpecificityImaging, Three-DimensionalRadiographic Image EnhancementPositron-Emission TomographyTomography, Optical CoherenceCardiac-Gated Imaging TechniquesRadiation DosageFluorescein AngiographyCatheterizationCerebral Arterial DiseasesObserver VariationVascular CalcificationTomography, Emission-Computed, Single-PhotonPlaque, AtheroscleroticRetrospective StudiesTreatment OutcomeReproducibility of ResultsProspective StudiesEndoleakRadiography, Dual-Energy Scanned ProjectionPutaminal HemorrhageIntracranial AneurysmCatheterization, Central VenousTomography, Emission-ComputedImage Processing, Computer-AssistedSeverity of Illness IndexCalcinosisTime FactorsStentsFractional Flow Reserve, MyocardialConstriction, PathologicChest PainEndovascular ProceduresEmbolization, TherapeuticBlood Vessel Prosthesis ImplantationFollow-Up StudiesCoronary VesselsHematomaArterial Occlusive DiseasesCeliac ArteryAneurysm, FalseTomography, OpticalAortic Aneurysm, AbdominalBlood Vessel ProsthesisCatheterization, PeripheralUltrasonography, InterventionalVascular PatencyAneurysm, RupturedMyocardial Perfusion ImagingGraft Occlusion, VascularRisk AssessmentCentral Venous CathetersProsthesis DesignCardiac CathetersCarotid Artery, InternalElectrocardiographyFeasibility StudiesSubarachnoid HemorrhageArtifactsCerebral ArteriesROC CurveCone-Beam Computed TomographyEquipment DesignElectron Microscope TomographyRadionuclide AngiographyUrinary CatheterizationUltrasonography, Doppler, DuplexAortic Aneurysm, ThoracicAneurysm, DissectingAortic AneurysmTakayasu ArteritisRisk FactorsPrognosisCoronary Vessel AnomaliesCarotid StenosisEquipment FailurePreoperative CareCarotid Artery DiseasesMyocardial RevascularizationNeurosurgical ProceduresAcute DiseaseUrinary Catheters