Myocardial BridgingAngina, StableAngina PectorisCoronary Vessel AnomaliesAngina, UnstableCoronary AngiographyIschemiaMyocardial IschemiaCoronary VesselsAngina Pectoris, VariantBrain IschemiaElectrocardiographyTakotsubo CardiomyopathyUltrasonography, InterventionalCardiomyopathy, HypertrophicCoronary Artery DiseaseMultidetector Computed TomographyCoronary CirculationCoronary DiseaseFollow-Up StudiesMyocardial InfarctionAutopsyDeath, Sudden, CardiacNitroglycerinExercise TestCoronary Artery BypassConstriction, PathologicMyocardiumTreatment OutcomeEchocardiographyRisk FactorsBlood Flow VelocityAngioplasty, Balloon, CoronaryIsosorbide DinitrateReperfusion InjuryAcetanilidesTime FactorsAtherectomy, CoronaryPrevalenceMicrovascular AnginaMyocardial ContractionProspective StudiesAcute Coronary Syndrome