Ventricular Function, LeftSystoleVentricular Dysfunction, LeftStroke VolumeEchocardiographyDiastoleVentricular Function, RightHeart FailureEchocardiography, DopplerHeart VentriclesMyocardial ContractionVentricular Dysfunction, RightRadionuclide VentriculographyHemodynamicsElectrocardiographyCardiac Output, LowHeartEchocardiography, Doppler, PulsedMyocardial InfarctionHeart Failure, DiastolicCardiomyopathy, DilatedCardiomyopathiesMyocardiumNatriuretic Peptide, BrainMitral ValveEchocardiography, Doppler, ColorVentricular RemodelingHypertrophy, Left VentricularProspective StudiesExercise TestCardiac CatheterizationTime FactorsHeart RateMitral Valve InsufficiencyVentricular FunctionPrognosisHeart Failure, SystolicFollow-Up StudiesCardiotonic AgentsPredictive Value of TestsBlood PressureCardiac Pacing, ArtificialMyocardial IschemiaTricuspid ValveCoronary CirculationTreatment OutcomeVentricular PressureBlood Flow VelocityEchocardiography, TransesophagealRisk FactorsReproducibility of ResultsAtrial FibrillationAngiotensin-Converting Enzyme InhibitorsDobutamineRetrospective StudiesHeart Function TestsCoronary AngiographySurvival AnalysisSensitivity and SpecificityCase-Control StudiesHeart DiseasesHypertensionSeverity of Illness IndexHospitalizationObserver VariationHeart AtriaGated Blood-Pool ImagingBiological MarkersMultivariate AnalysisSurvival RateRisk AssessmentCohort StudiesRadionuclide AngiographyDouble-Blind MethodCoronary Artery DiseaseAdrenergic beta-AntagonistsCardiac VolumeAge FactorsHypertension, PulmonaryLogistic ModelsAtrial Function, LeftChronic DiseaseVentricular DysfunctionMagnetic Resonance Imaging, CineDisease Models, AnimalCoronary DiseaseCardiac OutputDogsROC CurveAortic Valve StenosisHypertrophy, Right VentricularCardiomegalyHeart SeptumAtrial Function, RightCardiomyopathy, HypertrophicEchocardiography, StressCineangiographyTomography, Emission-Computed, Single-PhotonMagnetic Resonance ImagingCoronary Artery Bypass