ThalliumMyocardial Perfusion ImagingThallium RadioisotopesTomography, Emission-Computed, Single-PhotonCoronary CirculationTechnetium Tc 99m SestamibiPerfusionDipyridamoleOrganotechnetium CompoundsHeartExercise TestGated Blood-Pool ImagingRadiopharmaceuticalsCoronary DiseaseCardiac-Gated Single-Photon Emission Computer-Assisted TomographyPerfusion ImagingCoronary AngiographyRadioisotopesMyocardial IschemiaRubidium RadioisotopesCoronary Artery DiseaseAdenosineOrganophosphorus CompoundsTomography, Emission-ComputedNitrogen RadioisotopesSensitivity and SpecificityFerrocyanidesMyocardial ReperfusionContrast MediaMyocardial InfarctionVasodilator AgentsCoronary VesselsElectrocardiographyPredictive Value of TestsDobutamineArtifactsReproducibility of ResultsMyocardiumEchocardiographyVentricular Dysfunction, LeftVentricular Function, LeftAngina PectorisFractional Flow Reserve, MyocardialVentriculography, First-PassImage Interpretation, Computer-AssistedImage EnhancementImage Processing, Computer-AssistedIodobenzenesRadionuclide ImagingPositron-Emission TomographyCoronary StenosisMicrocirculationStroke VolumeDogsMyocardial RevascularizationOximesFeasibility StudiesDiatrizoate MeglumineEchocardiography, StressHemodynamicsMyocardial StunningTime FactorsGadolinium DTPAChest PainMicrovascular AnginaRadionuclide VentriculographyPrognosisMagnetic Resonance AngiographyMagnetic Resonance ImagingTomography, X-Ray ComputedHeart DiseasesProspective StudiesHyperemiaTissue SurvivalRegional Blood FlowRadionuclide AngiographyTelluriumMicrospheresMyocardial ContractionAngioplasty, Balloon, CoronaryAntidotesRestGamma CamerasBlood Flow VelocityROC CurveMagnetic Resonance Imaging, CineFluorine RadioisotopesAmmoniaSubtraction TechniqueNuclear MedicineObserver VariationCollateral CirculationOxygen RadioisotopesTechnetiumFluorocarbonsFollow-Up StudiesDiatrizoateAlopeciaCardiac CatheterizationSeverity of Illness Index