Ventricular Outflow ObstructionTripelennamineCardiomyopathy, HypertrophicHeart VentriclesEchocardiographyHeart SeptumPulmonary ValveUrethral ObstructionAortic Stenosis, SubvalvularHepatic VeinsUrinary Bladder Neck ObstructionIntestinal ObstructionAirway ObstructionBudd-Chiari SyndromePulmonary Valve StenosisTetralogy of FallotHeart Defects, CongenitalHeart Septal Defects, VentricularVentricular Function, LeftHeart NeoplasmsUreteral ObstructionVentricular Premature ComplexesVenous ValvesElectrocardiographyPulmonary Valve InsufficiencyCardiac CatheterizationAortic ValveTransposition of Great VesselsHemodynamicsTreatment OutcomeAortic Valve StenosisIliac VeinHeartTachycardia, VentricularCatheterizationVentricular Function, RightVentricular Dysfunction, LeftVentricular FunctionPhlebographyPulmonary Subvalvular StenosisHypoplastic Left Heart SyndromeMyocardiumCatheter AblationVenous InsufficiencyEchocardiography, DopplerEchocardiography, TransesophagealMitral ValvePostthrombotic SyndromeCardiac Surgical ProceduresVentricular Dysfunction, RightCerebral VentriclesFollow-Up StudiesMyocardial ContractionHeart Valve Prosthesis ImplantationVena Cava, InferiorVentricular SeptumConstriction, PathologicVenous PressureHeart Valve ProsthesisRetrospective StudiesUrinary RetentionPericardiumTime FactorsHypertrophy, Left VentricularStroke VolumePulmonary AtresiaSinus of ValsalvaEndocardiumDogsThird VentricleEchocardiography, Doppler, ColorAngiocardiographyFourth VentricleCardiac Pacing, ArtificialInfant, NewbornAortic Valve InsufficiencyDuodenal ObstructionHeart Septal DefectsSystolePostoperative ComplicationsDouble Outlet Right VentricleDiscrete Subaortic StenosisHeart AneurysmPulmonary ArteryHeart Conduction SystemFetal HeartCoronary Circulation