FluoroscopyAngiographyCoronary AngiographyMagnetic Resonance AngiographyRadiographyRadiography, ThoracicCerebral AngiographyAngiography, Digital SubtractionRadiography, Dental, DigitalRadiography, InterventionalTomography, X-Ray ComputedRadiographic Image EnhancementRadiography, PanoramicRadiation DosageFluorescein AngiographySensitivity and SpecificityRadiation ProtectionContrast MediaImaging, Three-DimensionalX-Ray Intensifying ScreensTreatment OutcomeRadiography, BitewingReproducibility of ResultsProspective StudiesRetrospective StudiesRadiographic Image Interpretation, Computer-AssistedSurgery, Computer-AssistedRadiography, AbdominalRadiation MonitoringFeasibility StudiesPhysical ExaminationFollow-Up StudiesTime FactorsPredictive Value of TestsMagnetic Resonance ImagingEquipment DesignIntracranial AneurysmCatheter AblationRadionuclide AngiographyImage Processing, Computer-AssistedCardiac CatheterizationObserver VariationThermoluminescent DosimetryTomography, Spiral ComputedPhantoms, ImagingX-Ray FilmCoronary Artery DiseaseEmbolization, TherapeuticRadiology, InterventionalCathetersPneumothorax, ArtificialUltrasonography, InterventionalStentsCoronary StenosisTechnology, RadiologicMultidetector Computed TomographyBone ScrewsIohexolCatheterizationDiagnostic ImagingRadiography, Dual-Energy Scanned ProjectionCone-Beam Computed TomographyUltrasonographyCineradiographyAnatomic LandmarksIntracranial Arteriovenous MalformationsSeverity of Illness IndexSubtraction TechniqueMass Chest X-RayIopamidolXeroradiographyMetacarpophalangeal JointRisk FactorsRadiation InjuriesElectrocardiographyImage EnhancementCervical VertebraeCineangiographyCarotid Artery, InternalPulmonary VeinsPostoperative ComplicationsThoracic VertebraeBody BurdenRadiology Information SystemsCoronary VesselsCadaverCoronary DiseaseVertebral ArteryRadiometryLumbar VertebraeArterial Occlusive DiseasesMagnetic Resonance Imaging, InterventionalAngioplasty, Balloon, CoronaryArthrographyRecurrenceSubarachnoid HemorrhageAneurysm, RupturedRadiology Department, HospitalSacrumNeedles