Exercise TestExercise ToleranceExerciseRisk AssessmentExercise TherapyPhysical ExertionOxygen ConsumptionPrognosisPredictive Value of TestsElectrocardiographyRisk FactorsHeart RatePhysical EnduranceDeath, Sudden, CardiacProspective StudiesAnaerobic ThresholdFollow-Up StudiesMyocardial InfarctionTime FactorsPhysical FitnessAsthma, Exercise-InducedBiological MarkersTreatment OutcomeCoronary DiseaseAngina PectorisChest PainROC CurveTroponin TBicyclingStroke VolumePulmonary Gas ExchangeHeart FailureElectrocardiography, AmbulatoryNatriuretic Peptide, BrainSurvival AnalysisMuscle, SkeletalSeverity of Illness IndexProportional Hazards ModelsEchocardiography, StressCohort StudiesMultivariate AnalysisRetrospective StudiesMyocardial IschemiaCoronary Artery DiseaseLactic AcidDyspneaErgometryAngina, UnstableBlood PressureCoronary AngiographyArrhythmias, CardiacSensitivity and SpecificityEchocardiographyRestKaplan-Meier EstimateReproducibility of ResultsTomography, Emission-Computed, Single-PhotonTroponin IVentricular Dysfunction, LeftSportsDefibrillators, ImplantableHemodynamicsRunningRespiratory Function TestsSurvival RateHeart DiseasesRiskTachycardia, VentricularAnalysis of VarianceChi-Square DistributionCardiovascular DiseasesVentricular Function, LeftDipyridamoleAdrenergic beta-AntagonistsSyncopeHeartRespirationAge FactorsCase-Control StudiesCardiovascular Physiological PhenomenaPhysical Education and TrainingDouble-Blind MethodAcute DiseaseOxygenChronic DiseaseThallium RadioisotopesAcute Coronary SyndromeMyocardial Perfusion ImagingDiagnostic Techniques, CardiovascularBrugada SyndromePulmonary EmbolismWalkingForced Expiratory VolumeHeart Function TestsReference ValuesTroponinRegression AnalysisBreathing ExercisesMetabolic EquivalentSex Factors