Ventricular Outflow ObstructionCardiomyopathy, HypertrophicHeart SeptumAortic Stenosis, SubvalvularEchocardiographyHeart VentriclesMitral ValveTransposition of Great VesselsVentricular Function, LeftHeart Septal Defects, VentricularEchocardiography, DopplerAortic ValveAortic Valve StenosisPulmonary ValveDiscrete Subaortic StenosisAortic Valve InsufficiencyVentricular Premature ComplexesTetralogy of FallotElectrocardiographyCardiac CatheterizationHeart Defects, CongenitalCardiac Surgical ProceduresHeart Valve Prosthesis ImplantationEchocardiography, Doppler, ColorHeart NeoplasmsCatheter AblationTripelennamineMitral Valve InsufficiencyHeart Valve ProsthesisVentricular Dysfunction, LeftHemodynamicsPulmonary Valve InsufficiencyTachycardia, VentricularVentricular SeptumEchocardiography, TransesophagealStroke VolumeAortic CoarctationPulmonary Valve StenosisSinus of ValsalvaEchocardiography, StressCardiac Pacing, ArtificialSystoleTreatment OutcomeFollow-Up StudiesEchocardiography, Three-DimensionalPulmonary Subvalvular StenosisDiastoleBlood Flow VelocityBioprosthesisDouble Outlet Right VentricleHeartPacemaker, ArtificialCoronary CirculationMyocardial ContractionEchocardiography, Doppler, PulsedExercise TestDobutamineHeart Valve DiseasesFibromaChordae TendineaeAblation TechniquesHypoplastic Left Heart SyndromePulmonary AtresiaTakotsubo CardiomyopathyMyxomaVentricular Function, RightEthanolFetal HeartCineangiographyHypertrophy, Left VentricularRetrospective StudiesVentricular Dysfunction, RightTime FactorsInfant, NewbornPredictive Value of TestsAngiocardiographyAtrioventricular BlockMagnetic Resonance Imaging, CineHeart DiseasesObserver VariationSeverity of Illness IndexMyocardiumProspective StudiesBlood PressureReoperationCardiac OutputHeart Septal DefectsMitral Valve StenosisArrhythmogenic Right Ventricular DysplasiaCardiotonic AgentsAqueous HumorHeart AtriaHeart BlockPostoperative ComplicationsHeart RateFatal OutcomeVentricular PressureTrabecular MeshworkMagnetic Resonance ImagingHeart Failure