Heart Septal Defects, AtrialHeart Septal DefectsHeart Septal Defects, VentricularEndocardial Cushion DefectsHeart BlockAtrioventricular NodeAngiocardiographySeptal Occluder DeviceHeart Conduction SystemHeart SeptumHeart Defects, CongenitalCardiac CatheterizationAtrioventricular BlockAtrial SeptumElectrocardiographyEchocardiography, TransesophagealBundle of HisBalloon OcclusionBundle-Branch BlockProstheses and ImplantsEchocardiographyCardiac Surgical ProceduresArrhythmias, CardiacHeartProsthesis ImplantationHeart AtriaPulmonary Valve StenosisEchocardiography, Doppler, ColorHeart ValvesNeural ConductionEbstein AnomalyNAV1.5 Voltage-Gated Sodium ChannelAbnormalities, MultipleHeart InjuriesTreatment OutcomeForamen OvaleTetralogy of FallotTransposition of Great VesselsHeart VentriclesHeart RatePacemaker, ArtificialCardiovascular Surgical ProceduresAortopulmonary Septal DefectSick Sinus SyndromeSinoatrial NodePulmonary VeinsHeart AneurysmTricuspid ValveInfant, NewbornEchocardiography, Three-DimensionalPulmonary Subvalvular StenosisConnexinsFollow-Up StudiesFluoroscopyMuscular Dystrophy, Emery-DreifussPulmonary ArteryAtrial FunctionCardiac Pacing, ArtificialWolff-Parkinson-White SyndromeAtrial FlutterAtrial FibrillationCyanosisPulmonary AtresiaTime FactorsCardiomyopathy, DilatedDuctus Arteriosus, PatentCardiopulmonary BypassIatrogenic DiseasePhonocardiographyDextrocardiaVena Cava, SuperiorBradycardiaMutationFetal HeartConnexin 43MyocardiumCatheter AblationPedigreeHeart MurmursFetal DiseasesHemodynamicsTachycardia, SupraventricularRetrospective StudiesPostoperative ComplicationsSitus InversusCardiomyopathiesCoronary Vessel AnomaliesCineangiographyHeart Valve DiseasesCardiac VolumeMyotonic DystrophyEisenmenger ComplexForeign-Body MigrationCardiovascular AbnormalitiesAlloysCatheterizationHypertension, PulmonaryPhenotypeMitral ValveTricuspid Valve Insufficiency