Heart Septal Defects, AtrialHeart Septal DefectsHeart Septal Defects, VentricularTetralogy of FallotHeart BlockAtrioventricular NodeHeart Defects, CongenitalHeart Conduction SystemEndocardial Cushion DefectsSeptal Occluder DeviceHeart SeptumAtrioventricular BlockEchocardiographyElectrocardiographyCardiac Surgical ProceduresCardiac CatheterizationBundle of HisDown SyndromeBundle-Branch BlockAbnormalities, MultipleArrhythmias, CardiacAortopulmonary Septal DefectHeartHeart ValvesEchocardiography, TransesophagealAtrial SeptumHeart AtriaInfant, NewbornBalloon OcclusionPulmonary Valve StenosisProstheses and ImplantsHeart VentriclesFetal DiseasesFetal HeartNeural ConductionNAV1.5 Voltage-Gated Sodium ChannelTreatment OutcomePulmonary AtresiaProsthesis ImplantationEchocardiography, Doppler, ColorMitral ValveMitral Valve InsufficiencyTransposition of Great VesselsPacemaker, ArtificialHeart RateFollow-Up StudiesSick Sinus SyndromeAngiocardiographyPulmonary ValveRetrospective StudiesSinoatrial NodeUltrasonography, PrenatalHeart InjuriesPulmonary ArteryEbstein AnomalyPregnancyTricuspid ValvePulmonary Valve InsufficiencyConnexinsCyanosisChromosomes, Human, Pair 21Cardiovascular Surgical ProceduresPulmonary Subvalvular StenosisMuscular Dystrophy, Emery-DreifussWolff-Parkinson-White SyndromeCardiac Pacing, ArtificialCardiomyopathy, DilatedHeart AneurysmAtrial FlutterReoperationTime FactorsMyocardiumBradycardiaAtrial FunctionGestational AgeConnexin 43Truncus Arteriosus, PersistentVentricular Function, RightMutationTachycardia, SupraventricularEchocardiography, Three-DimensionalDuctus Arteriosus, PatentCardiopulmonary BypassCardiomyopathiesPedigreeCineangiographyPostoperative ComplicationsMyotonic DystrophyAtrial FibrillationAortic CoarctationPhenotypeFluoroscopyAortic Stenosis, SubvalvularDouble Outlet Right VentricleVentricular Septal RuptureSinoatrial BlockVena Cava, SuperiorHemodynamicsLamin Type AHeart Murmurs