Exercise TestRisk AssessmentExercise ToleranceExerciseExercise TherapyPrognosisPredictive Value of TestsPhysical ExertionOxygen ConsumptionElectrocardiographyRisk FactorsHeart RateProspective StudiesFollow-Up StudiesPhysical EnduranceTime FactorsDeath, Sudden, CardiacAnaerobic ThresholdMyocardial InfarctionTreatment OutcomeBiological MarkersSensitivity and SpecificityPhysical FitnessROC CurveRetrospective StudiesAsthma, Exercise-InducedChest PainCoronary DiseaseAngina PectorisTroponin TBicyclingStroke VolumeSeverity of Illness IndexCohort StudiesHeart FailurePulmonary Gas ExchangeSurvival AnalysisMultivariate AnalysisProportional Hazards ModelsNatriuretic Peptide, BrainElectrocardiography, AmbulatoryReproducibility of ResultsMuscle, SkeletalEchocardiography, StressMyocardial IschemiaCoronary Artery DiseaseDyspneaEchocardiographyLactic AcidErgometryKaplan-Meier EstimateCoronary AngiographyArrhythmias, CardiacBlood PressureAngina, UnstableEarly DiagnosisTomography, Emission-Computed, Single-PhotonRestSurvival RateTroponin IVentricular Dysfunction, LeftRiskSportsRespiratory Function TestsHeart DiseasesAge FactorsChi-Square DistributionHemodynamicsDefibrillators, ImplantableCase-Control StudiesRunningAnalysis of VarianceAcute DiseaseTachycardia, VentricularCardiovascular DiseasesChronic DiseaseVentricular Function, LeftSyncopeDipyridamoleAdrenergic beta-AntagonistsTomography, X-Ray ComputedHeartPulmonary EmbolismRespirationDouble-Blind MethodDelayed DiagnosisReference ValuesCardiovascular Physiological PhenomenaSex FactorsPhysical Education and TrainingDiagnostic Techniques, CardiovascularRegression AnalysisAcute Coronary SyndromeOxygenThallium RadioisotopesMyocardial Perfusion ImagingForced Expiratory VolumeBrugada SyndromeLogistic ModelsHeart Function Tests