Ventricular Function, LeftSystoleVentricular Dysfunction, LeftStroke VolumeEchocardiographyDiastoleHeart FailureVentricular Function, RightEchocardiography, DopplerHeart VentriclesMyocardial ContractionRadionuclide VentriculographyVentricular Dysfunction, RightHemodynamicsElectrocardiographyCardiac Output, LowHeartEchocardiography, Doppler, PulsedMyocardial InfarctionHeart Failure, DiastolicCardiomyopathy, DilatedCardiomyopathiesMyocardiumNatriuretic Peptide, BrainMitral ValveEchocardiography, Doppler, ColorVentricular RemodelingHypertrophy, Left VentricularExercise TestProspective StudiesCardiac CatheterizationTime FactorsHeart RateVentricular FunctionMitral Valve InsufficiencyPrognosisHeart Failure, SystolicFollow-Up StudiesCardiotonic AgentsPredictive Value of TestsBlood PressureMyocardial IschemiaTricuspid ValveCardiac Pacing, ArtificialCoronary CirculationVentricular PressureTreatment OutcomeBlood Flow VelocityEchocardiography, TransesophagealRisk FactorsReproducibility of ResultsAtrial FibrillationAngiotensin-Converting Enzyme InhibitorsDobutamineRetrospective StudiesHeart Function TestsSurvival AnalysisCoronary AngiographyCase-Control StudiesSensitivity and SpecificityHypertensionHospitalizationHeart DiseasesSeverity of Illness IndexObserver VariationGated Blood-Pool ImagingMultivariate AnalysisBiological MarkersSurvival RateRisk AssessmentDouble-Blind MethodCohort StudiesCoronary Artery DiseaseRadionuclide AngiographyAdrenergic beta-AntagonistsHeart AtriaAge FactorsCardiac VolumeLogistic ModelsAtrial Function, LeftHypertension, PulmonaryChronic DiseaseVentricular DysfunctionMagnetic Resonance Imaging, CineDisease Models, AnimalCardiac OutputCoronary DiseaseROC CurveAortic Valve StenosisDogsCardiomegalyCardiomyopathy, HypertrophicEchocardiography, StressHeart SeptumCineangiographyVentriculography, First-PassKinetocardiographyTomography, Emission-Computed, Single-PhotonCoronary VesselsCoronary Artery Bypass