Myocardial BridgingCoronary Vessel AnomaliesAngina PectorisPerfusion ImagingTechnetium Tc 99m Aggregated AlbuminVentilation-Perfusion RatioIschemiaMyocardial Perfusion ImagingAngina, UnstablePerfusionCoronary AngiographyMyocardial IschemiaPulmonary EmbolismTomography, Emission-Computed, Single-PhotonBrain IschemiaTakotsubo CardiomyopathyCardiomyopathy, HypertrophicCoronary CirculationAngina Pectoris, VariantMultidetector Computed TomographyCoronary VesselsExercise TestElectrocardiographyUltrasonography, InterventionalPulmonary CirculationAngina, StableTomography, X-Ray ComputedRadiopharmaceuticalsAutopsyDeath, Sudden, CardiacPulmonary ArteryCoronary DiseaseLungSensitivity and SpecificityConstriction, PathologicBlood Flow VelocityCoronary Artery DiseaseMyocardiumPredictive Value of TestsFollow-Up StudiesEchocardiographyReperfusion InjuryMyocardial ContractionCoronary Artery BypassMicrovascular AnginaTreatment Outcome