Heart VentriclesDouble Outlet Right VentricleVentricular Function, RightVentricular Dysfunction, RightHypertrophy, Right VentricularCerebral VentriclesTransposition of Great VesselsVentricular Function, LeftVentricular FunctionHeart Defects, CongenitalHeart Septal Defects, VentricularHeartMyocardiumThird VentricleFourth VentricleEchocardiographyHeart SeptumHeart AtriaTetralogy of FallotPulmonary ArteryMyocardial ContractionLateral VentriclesVentricular Dysfunction, LeftFetal HeartVentricular SeptumHypertension, PulmonaryElectrocardiographyCerebral Ventricle NeoplasmsTricuspid ValveHemodynamicsPulmonary ValvePulmonary Valve StenosisEndocardiumAngiocardiographyDogsHypertrophy, Left VentricularArrhythmogenic Right Ventricular DysplasiaStroke VolumeMonocrotalineHypoplastic Left Heart SyndromeCardiac Surgical ProceduresPericardiumCardiac CatheterizationFistulaVentricular PressureHeart NeoplasmsVentricular Outflow ObstructionEbstein AnomalyHeart InjuriesTricuspid Valve InsufficiencyHeart Septal DefectsCardiac Pacing, ArtificialPulmonary Valve InsufficiencyHeart FailurePulmonary AtresiaDiastoleCardiac VolumeTruncus Arteriosus, PersistentSystoleHeart Conduction SystemVentricular RemodelingPapillary MusclesEchocardiography, Doppler, ColorHuman RightsEchocardiography, DopplerCardiomyopathiesTime FactorsMagnetic Resonance ImagingForeign-Body MigrationBlood PressureTreatment OutcomeCardiomegalyVentricular FibrillationTachycardia, VentricularCoronary Vessel AnomaliesArrhythmias, CardiacPulmonary CirculationPacemaker, ArtificialCoronary CirculationNorwood ProceduresHeart DiseasesElectrophysiologic Techniques, CardiacModels, CardiovascularFontan ProcedureOrgan SizeTomography, X-Ray ComputedVentricular DysfunctionRats, WistarInfant, NewbornCardiomyopathy, DilatedHeart AneurysmEchocardiography, TransesophagealDisease Models, AnimalFollow-Up StudiesAnoxiaHeart Septal Defects, AtrialMyocardial InfarctionCineangiographyTruncus ArteriosusAtrial Function, Left