AngiographyCoronary AngiographyMagnetic Resonance AngiographyCerebral AngiographyAngiography, Digital SubtractionHealth FacilitiesMyocytes, CardiacFluorescein AngiographySkilled Nursing FacilitiesTomography, X-Ray ComputedCardiac OutputHeartCardiac Surgical ProceduresContrast MediaArrhythmias, CardiacDeath, Sudden, CardiacRadionuclide AngiographyResidential FacilitiesSensitivity and SpecificityCoronary Artery DiseaseIntracranial AneurysmCardiac CatheterizationProspective StudiesTreatment OutcomeTime FactorsImaging, Three-DimensionalCoronary StenosisPredictive Value of TestsElectrocardiographyRetrospective StudiesMyocardial InfarctionTomography, Spiral ComputedHeart DiseasesCoronary VesselsCardiac TamponadeFollow-Up StudiesEmbolization, TherapeuticCoronary DiseaseReproducibility of ResultsCardiac Pacing, ArtificialCardiomegalyHeart VentriclesIntracranial Arteriovenous MalformationsAmbulatory Care FacilitiesMyocardiumIopamidolEchocardiographyMyocardial ContractionFacility Design and ConstructionMultidetector Computed TomographyCarotid Artery, InternalHeart ArrestRisk FactorsCardiac Imaging TechniquesCardiac Care FacilitiesStentsAssisted Living FacilitiesImage Processing, Computer-AssistedRadiographic Image Interpretation, Computer-AssistedHemodynamicsVertebral ArteryHealth Facility AdministrationObserver VariationIohexolSubarachnoid HemorrhageCardiomyopathiesSeverity of Illness IndexArterial Occlusive DiseasesHealth Facilities, ProprietaryHeart FailureAngioplasty, Balloon, CoronaryHeart RateFeasibility StudiesAneurysm, RupturedConstriction, PathologicIndocyanine GreenMyocardial IschemiaPublic FacilitiesMagnetic Resonance ImagingCoronary CirculationVentricular Function, LeftHealth Facility PlanningArteriovenous FistulaRadiographic Image EnhancementMyoblasts, CardiacCarotid StenosisCoronary Artery BypassStroke VolumeHeart TransplantationUltrasonography, InterventionalCentral Nervous System Vascular MalformationsVertebrobasilar InsufficiencyRisk AssessmentFacility Regulation and ControlCardiac MyosinsCardiac VolumeAngina PectorisTomography, Emission-Computed, Single-PhotonBlood Flow VelocityCardiac Glycosides