Ventricular Function, LeftVentricular Dysfunction, LeftHypertrophy, Left VentricularAtrial Function, LeftHeart VentriclesEchocardiographyStroke VolumeHeart AtriaMyocardial ContractionDiastoleHeartHemodynamicsElectrocardiographyVentricular RemodelingMyocardiumSystoleHeart FailureFunctional LateralityHypoplastic Left Heart SyndromeDogsMyocardial InfarctionCoronary CirculationTime FactorsTreatment OutcomeCardiac VolumeBlood PressureVentricular FunctionVentricular PressureHeart AneurysmCardiomyopathy, DilatedMitral ValveCardiac CatheterizationCoronary VesselsCardiac Pacing, ArtificialHeart-Assist DevicesFollow-Up StudiesTomography, X-Ray ComputedHeart RateCardiomyopathiesEchocardiography, TransesophagealAtrial FibrillationCoronary AngiographyCoronary Vessel AnomaliesHeart SeptumCardiomyopathy, HypertrophicHeart DiseasesPulmonary VeinsMyocardial IschemiaAtrial AppendageProspective StudiesPericardiumEchocardiography, Doppler, ColorCardiac OutputBlood Flow VelocityPredictive Value of TestsBundle-Branch BlockBrain MappingEndocardiumHeart Function TestsImage Processing, Computer-AssistedAnalysis of VarianceCoronary DiseaseDominance, CerebralHypertensionGated Blood-Pool ImagingAngiocardiographyOrgan SizeAortic Valve StenosisCardiac Surgical ProceduresCardiotonic AgentsCineangiographyRetrospective StudiesDisease Models, AnimalHeart Conduction SystemSubclavian ArteryVentricular Function, RightEchocardiography, Three-DimensionalMagnetic Resonance Imaging, CineReproducibility of ResultsDobutaminePulmonary ArteryTemporal LobeExercise TestTomography, Emission-Computed, Single-PhotonNatriuretic Peptide, BrainRadionuclide VentriculographyModels, CardiovascularObserver VariationCoronary Artery BypassReference ValuesCardiac Output, LowElectrophysiologic Techniques, CardiacAtrial FunctionSeverity of Illness IndexBrainFrontal LobeCoronary SinusMitral Valve StenosisPrognosisAortic Valve