Coronary VesselsCoronary AngiographyCoronary Artery DiseaseAngiographyCoronary CirculationMagnetic Resonance AngiographyCoronary StenosisAngioplasty, Balloon, CoronaryCerebral AngiographyCoronary DiseaseAngiography, Digital SubtractionPericardiumCoronary Artery BypassTomography, X-Ray ComputedMyocardial InfarctionBlood VesselsCoronary RestenosisCoronary Vessel AnomaliesFluorescein AngiographyHeartCoronary VasospasmStentsCoronary AneurysmContrast MediaTreatment OutcomeDogsPredictive Value of TestsProspective StudiesSensitivity and SpecificityCoronary ThrombosisUltrasonography, InterventionalTime FactorsMyocardiumRisk FactorsNitroglycerinVasodilator AgentsElectrocardiographyEndothelium, VascularFollow-Up StudiesMyocardial IschemiaVasodilationCoronary OcclusionBlood Flow VelocityVascular ResistanceCalcinosisPercutaneous Coronary InterventionVasa VasorumReproducibility of ResultsRetrospective StudiesHemodynamicsArteriesAdenosineSwineSeverity of Illness IndexRetinal VesselsRadionuclide AngiographyTomography, Spiral ComputedImage Processing, Computer-AssistedIntracranial AneurysmFeasibility StudiesLymphatic VesselsVasoconstrictionImaging, Three-DimensionalCollateral CirculationExercise TestModels, CardiovascularCoronary Care UnitsMultidetector Computed TomographyMyocardial RevascularizationNeovascularization, PhysiologicAngina PectorisCardiac CatheterizationAcetylcholineBlood PressureIopamidolRegional Blood FlowBiological MarkersQuailCoturnixAngina, UnstableChest PainConstriction, PathologicNitric OxideMuscle, Smooth, VascularEmbolization, TherapeuticVeinsRisk AssessmentSirolimusRadiographic Image Interpretation, Computer-AssistedTunica IntimaArterial Occlusive DiseasesPerfusionIntracranial Arteriovenous MalformationsTunica MediaPlatelet Aggregation InhibitorsFractional Flow Reserve, MyocardialObserver VariationCarotid Artery, InternalRecurrenceHeart Ventricles