Coronary StenosisCoronary VesselsCoronary AngiographyCoronary CirculationCoronary Artery DiseaseCoronary DiseaseAngioplasty, Balloon, CoronaryFractional Flow Reserve, MyocardialCarotid StenosisAortic Valve StenosisConstriction, PathologicCoronary Artery BypassCoronary VasospasmCzechoslovakiaSpinal StenosisTracheal StenosisMyocardial InfarctionDogsMyocardial IschemiaUltrasonography, InterventionalBlood Flow VelocityHemodynamicsStentsCoronary AneurysmSeverity of Illness IndexPredictive Value of TestsCoronary RestenosisHyperemiaPyloric StenosisUSSRTomography, X-Ray ComputedMitral Valve StenosisSensitivity and SpecificityCoronary ThrombosisPulmonary Valve StenosisFollow-Up StudiesCardiac CatheterizationTreatment OutcomeProspective StudiesRisk FactorsEchocardiographyDobutamineDipyridamoleCalcinosisElectrocardiographyAngina Pectoris, VariantAdenosineThallium RadioisotopesTomography, Spiral ComputedExercise TestPercutaneous Coronary InterventionTomography, Emission-Computed, Single-PhotonCollateral CirculationAngina PectorisChest PainMyocardial RevascularizationMyocardial Perfusion ImagingMyocardial StunningTime FactorsVasodilator AgentsMyocardial ContractionAngina, UnstableMagnetic Resonance AngiographyEchocardiography, StressHeartBlood PressureCoronary OcclusionContrast MediaMucocutaneous Lymph Node SyndromeRetrospective StudiesAngiographySwineNitroglycerinReproducibility of ResultsEndocardiumObserver VariationMyocardiumMultidetector Computed TomographyCineangiographyPericardiumModels, CardiovascularRisk AssessmentRenal Artery ObstructionROC CurveVentricular Function, LeftRecurrenceMyocardial ReperfusionOrganotechnetium CompoundsMicrocirculationPlaque, AtheroscleroticVascular ResistanceFeasibility StudiesVascular CalcificationPlatelet Aggregation InhibitorsAngioplasty, BalloonCoronary Care UnitsTechnetium Tc 99m SestamibiVasodilationRegional Blood FlowAortic Stenosis, Subvalvular