Angina, UnstableAngina PectorisAngina Pectoris, VariantMyocardial InfarctionAngina, StableCoronary AngiographyAtherectomy, CoronaryCoronary DiseaseMyocardial IschemiaElectrocardiographyAngioplasty, Balloon, CoronaryMicrovascular AnginaCoronary Artery DiseaseAcute Coronary SyndromeCoronary ThrombosisMyocardial RevascularizationProspective StudiesTroponin TPlatelet Aggregation InhibitorsCoronary Artery BypassHirudin TherapyCoronary VesselsSyndromeFollow-Up StudiesChest PainRecurrenceTreatment OutcomePrognosisBiological MarkersRisk FactorsCoronary VasospasmAspirinElectrocardiography, AmbulatoryC-Reactive ProteinAcute DiseasePlatelet Glycoprotein GPIIb-IIIa ComplexFibrinopeptide ACreatine KinaseTime FactorsHeparinLudwig's AnginaErgonovineExercise TestIsosorbide DinitrateEnoxaparinDouble-Blind MethodNadroparinPredictive Value of TestsAnticoagulantsNitroglycerinDalteparinRisk AssessmentTroponinFibrinolytic AgentsCoronary Care UnitsStentsHemorrhageHirudinsTroponin IAngioscopyCoronary StenosisDipyridamoleCreatine Kinase, MB FormThrombolytic TherapyRetrospective StudiesUltrasonography, InterventionalHospitalizationImmunoglobulin Fab FragmentsSeverity of Illness IndexCardiac CatheterizationAdrenergic beta-AntagonistsVectorcardiographyDrug Therapy, CombinationVasodilator AgentsNicorandilCardiovascular AgentsMultivariate AnalysisCoronary CirculationCardiologyChi-Square DistributionSurvival AnalysisCase-Control StudiesIodobenzenesPartial Thromboplastin TimeSensitivity and SpecificityRupture, SpontaneousAntithrombinsInflammationTiclopidineThallium RadioisotopesIncidenceProportional Hazards ModelsFibrinolysisRegression AnalysisInfusions, IntravenousChronic DiseaseCoronary RestenosisCounterpulsationNeopterinAcetanilides