FluoroscopyAngiographyCoronary AngiographyMagnetic Resonance AngiographyCerebral AngiographyAngiography, Digital SubtractionRadiography, InterventionalFluorescein AngiographyTomography, X-Ray ComputedRadiation DosageContrast MediaRadiation ProtectionImaging, Three-DimensionalSurgery, Computer-AssistedRadiation MonitoringTreatment OutcomeRadionuclide AngiographySensitivity and SpecificityIntracranial AneurysmCatheter AblationCardiac CatheterizationFeasibility StudiesRadiology, InterventionalPneumothorax, ArtificialEmbolization, TherapeuticRetrospective StudiesCoronary Artery DiseaseCathetersUltrasonography, InterventionalRadiographic Image Interpretation, Computer-AssistedProspective StudiesCoronary StenosisStentsTomography, Spiral ComputedEquipment DesignPredictive Value of TestsRadiographic Image EnhancementReproducibility of ResultsIohexolFollow-Up StudiesCineradiographyCatheterizationTime FactorsIntracranial Arteriovenous MalformationsBone ScrewsXeroradiographyIopamidolThermoluminescent DosimetryImage Processing, Computer-AssistedCineangiographyCarotid Artery, InternalPhantoms, ImagingPulmonary VeinsMultidetector Computed TomographyRadiation InjuriesCoronary VesselsVertebral ArteryMagnetic Resonance Imaging, InterventionalAngioplasty, Balloon, CoronaryCoronary DiseaseArterial Occlusive DiseasesSubarachnoid HemorrhageAneurysm, RupturedElectrocardiographyNeuronavigationRadial ArteryMagnetic Resonance ImagingIndocyanine GreenConstriction, PathologicCentral Nervous System Vascular MalformationsVertebrobasilar InsufficiencyNeedlesElectrophysiologic Techniques, CardiacMyocardial InfarctionObserver VariationCarotid StenosisProsthesis ImplantationArteriovenous FistulaSeverity of Illness IndexThoracic VertebraeImage EnhancementTechnology, RadiologicFemoral ArteryCerebral ArteriesRadiometryPostoperative ComplicationsCerebral VeinsMonitoring, IntraoperativeCoronary SinusEchocardiography, TransesophagealFundus OculiAngioplasty, BalloonAnatomic LandmarksRecurrenceSacrumSubtraction TechniqueCadaverSurgical Procedures, Minimally InvasiveCircle of WillisEndovascular Procedures