Angina PectorisAngina, UnstableAngina Pectoris, VariantAngina, StableMicrovascular AnginaLudwig's AnginaCoronary VasospasmCoronary AngiographyMyocardial InfarctionErgonovineCoronary DiseaseElectrocardiographyMyocardial IschemiaExercise TestNitroglycerinCoronary Artery DiseaseCounterpulsationIsosorbide DinitrateAcetanilidesCoronary VesselsFollow-Up StudiesAngioplasty, Balloon, CoronaryChest PainProspective StudiesTreatment OutcomeCoronary Artery BypassMyocardial RevascularizationTime FactorsAtherectomy, CoronaryRisk FactorsElectrocardiography, AmbulatoryDouble-Blind MethodAcute Coronary SyndromeRecurrencePrognosisCardiovascular AgentsCoronary CirculationVasodilator AgentsBiological MarkersAdrenergic beta-AntagonistsCoronary ThrombosisPlatelet Aggregation InhibitorsNicorandilC-Reactive ProteinCoronary StenosisPredictive Value of TestsTroponin TCardiac CatheterizationSyndromeChronic DiseaseNifedipineCalcium Channel BlockersAspirinHeart RateStentsPhysical ExertionRetrospective StudiesExercise ToleranceAcute DiseaseRisk AssessmentOxyfedrineFibrinopeptide AUltrasonography, InterventionalSeverity of Illness IndexCreatine KinaseCollateral CirculationHirudin TherapyAtenololDrug Therapy, CombinationAngiocardiographyTrimetazidineBlood PressureLaser TherapyAngioscopyMolecular Sequence DataDipyridamoleHeartMetoprololMultivariate AnalysisIodobenzenesChi-Square DistributionNitratesHemodynamicsHeparinTomography, Emission-Computed, Single-PhotonDiltiazemIschemic Preconditioning, MyocardialClinical Trials as TopicPlatelet Glycoprotein GPIIb-IIIa ComplexCoronary Care UnitsCineangiographyHospitalizationPlaque, AtheroscleroticIncidencePropranololThallium RadioisotopesDose-Response Relationship, DrugCase-Control StudiesCohort StudiesRegression Analysis