ThalliumMyocardial Perfusion ImagingThallium RadioisotopesTomography, Emission-Computed, Single-PhotonCoronary CirculationPerfusionTechnetium Tc 99m SestamibiDipyridamoleOrganotechnetium CompoundsHeartExercise TestRadiopharmaceuticalsGated Blood-Pool ImagingCardiac-Gated Single-Photon Emission Computer-Assisted TomographyPerfusion ImagingMyocardial IschemiaCoronary DiseaseCoronary AngiographyRubidium RadioisotopesCoronary Artery DiseaseOrganophosphorus CompoundsNitrogen RadioisotopesAdenosineTomography, Emission-ComputedRadioisotopesSensitivity and SpecificityContrast MediaMyocardial ReperfusionVasodilator AgentsMyocardial InfarctionCoronary VesselsArtifactsReproducibility of ResultsElectrocardiographyFractional Flow Reserve, MyocardialPredictive Value of TestsVentriculography, First-PassVentricular Function, LeftEchocardiographyImage Interpretation, Computer-AssistedImage EnhancementMyocardiumVentricular Dysfunction, LeftDobutamineAngina PectorisImage Processing, Computer-AssistedPositron-Emission TomographyCoronary StenosisMicrocirculationDiatrizoate MeglumineEchocardiography, StressStroke VolumeFeasibility StudiesRadionuclide ImagingGadolinium DTPADogsFerrocyanidesHemodynamicsMyocardial RevascularizationOximesIodobenzenesMagnetic Resonance AngiographyTime FactorsTomography, X-Ray ComputedHyperemiaTissue SurvivalChest PainMagnetic Resonance ImagingMyocardial StunningMicrovascular AnginaPrognosisRegional Blood FlowRadionuclide AngiographyTelluriumMicrospheresRestGamma CamerasHeart DiseasesProspective StudiesBlood Flow VelocityMagnetic Resonance Imaging, CineAmmoniaSubtraction TechniqueAngioplasty, Balloon, CoronaryNuclear MedicineObserver VariationCollateral CirculationMyocardial ContractionOxygen RadioisotopesTechnetiumFluorocarbonsDiatrizoateROC CurveSeverity of Illness IndexFluorine RadioisotopesPhantoms, ImagingRadionuclide VentriculographyRisk AssessmentAlgorithmsFollow-Up Studies