Radionuclide VentriculographyCoronary AngiographyDiatrizoateAngiocardiographyCoronary VesselsGated Blood-Pool ImagingCerebral VentriculographyCoronary DiseaseMyocardial InfarctionCoronary CirculationHeart VentriclesElectrocardiographyTakotsubo CardiomyopathyAngiographyCardiac CatheterizationHeart AneurysmVentricular Function, LeftStroke VolumeCoronary Artery DiseaseHeartVentriculography, First-PassAngioplasty, Balloon, CoronaryCineangiographyThalliumEchocardiographyVentricular Dysfunction, LeftTomography, Emission-Computed, Single-PhotonAngina PectorisCoronary VasospasmIodobenzenesExercise TestCoronary Artery BypassThallium RadioisotopesCoronary StenosisTime FactorsMyocardial ReperfusionMyocardial ContractionContrast MediaCardiomyopathiesProspective StudiesIohexolMyocardial IschemiaFollow-Up StudiesDipyridamolePhysical ExertionAngina Pectoris, VariantSensitivity and SpecificitySodium Pertechnetate Tc 99mThoracic ArteriesChest PainMyocardiumHemodynamicsAngina, UnstablePredictive Value of TestsCoronary Vessel AnomaliesDobutamineRadionuclide AngiographyEvaluation Studies as TopicTechnetiumTransposition of Great VesselsRadioisotopesRisk FactorsCoronary AneurysmFluoroscopyTreatment OutcomeHospitals, DistrictCoronary ThrombosisIothalamate MeglumineIopamidolCardiac VolumePrognosisThrombolytic TherapyArterial Occlusive DiseasesPrenalterolHeart RateCoronary RestenosisTechnetium Tc 99m PyrophosphateRadionuclide ImagingCoronary OcclusionIothalamic AcidTomography, X-Ray ComputedMyocardial StunningPercutaneous Coronary InterventionStentsBlood PressureHeart Function TestsRetrospective StudiesHeart DiseasesCardiomyopathy, DilatedMagnetic Resonance AngiographySystoleCoronary Care UnitsUltrasonography, Doppler, DuplexAngiography, Digital SubtractionSeverity of Illness IndexUltrasonography, InterventionalDiastoleCardiac OutputHeart FailureBronchial Arteries