Angina, UnstableAngina PectorisAngina Pectoris, VariantMyocardial InfarctionAngina, StableCoronary AngiographyAtherectomy, CoronaryCoronary DiseaseElectrocardiographyMyocardial IschemiaAngioplasty, Balloon, CoronaryTreatment OutcomeProspective StudiesMicrovascular AnginaAcute Coronary SyndromeCoronary Artery DiseaseMyocardial RevascularizationCoronary ThrombosisFollow-Up StudiesPlatelet Aggregation InhibitorsTroponin TCoronary Artery BypassRecurrenceHirudin TherapyChest PainDisease ManagementSyndromeRisk FactorsCoronary VesselsPrognosisAcute DiseaseAspirinElectrocardiography, AmbulatoryCoronary VasospasmBiological MarkersTime FactorsPlatelet Glycoprotein GPIIb-IIIa ComplexC-Reactive ProteinFibrinopeptide ACreatine KinaseHeparinLudwig's AnginaErgonovineAnticoagulantsRisk AssessmentExercise TestDouble-Blind MethodPredictive Value of TestsEnoxaparinIsosorbide DinitrateNadroparinRetrospective StudiesNitroglycerinDalteparinStentsFibrinolytic AgentsHemorrhageCoronary Care UnitsTroponinHirudinsCase ManagementPatient Care ManagementPractice Guidelines as TopicTroponin IAngioscopyCoronary StenosisThrombolytic TherapySeverity of Illness IndexDrug Therapy, CombinationDipyridamoleUltrasonography, InterventionalCreatine Kinase, MB FormPain ManagementAdrenergic beta-AntagonistsCardiologyCardiac CatheterizationCardiovascular AgentsMultivariate AnalysisHospitalizationChi-Square DistributionSurvival AnalysisImmunoglobulin Fab FragmentsVectorcardiographySensitivity and SpecificityVasodilator AgentsPostoperative ComplicationsNicorandilChronic DiseaseIncidenceCoronary CirculationRisk ManagementRupture, SpontaneousIodobenzenesRandomized Controlled Trials as TopicPartial Thromboplastin TimeRegression AnalysisRegistriesProportional Hazards ModelsTiclopidineInfusions, Intravenous