Ventricular Function, LeftHeart VentriclesVentricular Function, RightVentricular Dysfunction, RightVentricular FunctionDouble Outlet Right VentricleStroke VolumeHypertrophy, Right VentricularEchocardiographyHeartVentricular Dysfunction, LeftMyocardial ContractionMyocardiumTransposition of Great VesselsHemodynamicsHeart Defects, CongenitalElectrocardiographyCerebral VentriclesTetralogy of FallotSystoleHeart Septal Defects, VentricularPulmonary ArteryEchocardiography, DopplerMyocardial InfarctionHeart SeptumDiastoleHeart FailureAngiocardiographyCardiac CatheterizationHypertension, PulmonaryVentricular SeptumRadionuclide VentriculographyThird VentricleHeart AtriaTricuspid ValveFourth VentricleVentricular PressureHuman RightsDogsCardiac VolumeEndocardiumTime FactorsCardiac Surgical ProceduresCoronary CirculationCardiac Pacing, ArtificialCardiomyopathiesPulmonary ValveLateral VentriclesGated Blood-Pool ImagingArrhythmogenic Right Ventricular DysplasiaVentricular RemodelingTreatment OutcomeMagnetic Resonance ImagingCardiomyopathy, DilatedEchocardiography, Doppler, ColorHeart Function TestsFetal HeartPulmonary Valve InsufficiencyBlood PressureCineangiographyVentricular DysfunctionRadionuclide AngiographyMonocrotalineCerebral Ventricle NeoplasmsPulmonary Valve StenosisTricuspid Valve InsufficiencyPericardiumFollow-Up StudiesHeart RateEchocardiography, Doppler, PulsedCardiomegalyCardiac OutputEbstein AnomalyHypoplastic Left Heart SyndromeHeart DiseasesVentricular Outflow ObstructionHeart InjuriesHeart NeoplasmsArrhythmias, CardiacMyocardial IschemiaMagnetic Resonance Imaging, CinePacemaker, ArtificialProspective StudiesAtrial Function, RightFistulaVentriculography, First-PassCoronary DiseaseCardiotonic AgentsHeart Conduction SystemTachycardia, VentricularFontan ProcedureHeart Septal DefectsDisease Models, AnimalPapillary MusclesExercise TestCoronary AngiographyDobutaminePulmonary AtresiaPulmonary CirculationMitral Valve