Myocardial Perfusion ImagingHaemophilus parainfluenzaeCoronary CirculationPerfusionTechnetium Tc 99m SestamibiThallium RadioisotopesOrganotechnetium CompoundsDipyridamoleRadiopharmaceuticalsCardiac-Gated Single-Photon Emission Computer-Assisted TomographyHeartPerfusion ImagingGated Blood-Pool ImagingExercise TestMyocardial IschemiaRubidium RadioisotopesCoronary AngiographyThalliumCoronary Artery DiseaseOrganophosphorus CompoundsNitrogen RadioisotopesCoronary DiseaseAdenosineContrast MediaMyocardial ReperfusionSensitivity and SpecificityTomography, Emission-ComputedVasodilator AgentsArtifactsCoronary VesselsFractional Flow Reserve, MyocardialMyocardial InfarctionVentriculography, First-PassReproducibility of ResultsImage Interpretation, Computer-AssistedImage EnhancementPredictive Value of TestsVentricular Function, LeftElectrocardiographyEchocardiographyPositron-Emission TomographyCoronary StenosisVentricular Dysfunction, LeftImage Processing, Computer-AssistedMyocardiumMicrocirculationDiatrizoate MeglumineEchocardiography, StressDobutamineAngina PectorisGadolinium DTPAFeasibility StudiesRadioisotopesStroke VolumeMagnetic Resonance AngiographyDogsTomography, X-Ray ComputedHyperemiaTissue SurvivalHemodynamicsRegional Blood FlowRadionuclide AngiographyTelluriumMicrospheresGrowth Differentiation Factor 9RestGamma CamerasMagnetic Resonance ImagingRadionuclide ImagingOximesBlood Flow VelocityMagnetic Resonance Imaging, CineMyocardial RevascularizationAmmoniaGemini of Coiled BodiesNuclear MedicineObserver VariationCollateral CirculationPrognosisOxygen RadioisotopesTechnetiumHeart Diseases