Heart Defects, CongenitalHeart Septal DefectsHeart Septal Defects, VentricularHeart Septal Defects, AtrialHeartCyanosisHeart DiseasesHeart RateTetralogy of FallotFetal HeartInfant, NewbornCardiac Surgical ProceduresTransposition of Great VesselsCardiac CatheterizationSeptal Occluder DeviceEchocardiographyHeart FailureHeterotaxy SyndromeAbnormalities, MultipleEisenmenger ComplexPulmonary AtresiaHeart BlockHeart SeptumPulmonary Valve StenosisHeart ValvesPulmonary ArteryHeart TransplantationCoronary DiseaseDuctus Arteriosus, PatentHeart AtriaRisk FactorsDouble Outlet Right VentricleRetrospective StudiesDextrocardiaRheumatic Heart DiseaseFollow-Up StudiesUltrasonography, PrenatalEndocardial Cushion DefectsAortic CoarctationTreatment OutcomeAtrial SeptumEchocardiography, TransesophagealHypertension, PulmonaryProspective StudiesCardiovascular AbnormalitiesCardiovascular Surgical ProceduresPulmonary CirculationEbstein AnomalyFetal DiseasesEchocardiography, Doppler, ColorTruncus Arteriosus, PersistentPregnancyHemodynamicsHeart VentriclesPregnancy Complications, CardiovascularMyocardiumAortopulmonary Septal DefectTime FactorsDown SyndromeEchocardiography, Three-DimensionalCardiopulmonary BypassMyocardial IschemiaEchocardiography, Four-DimensionalHeart Valve DiseasesTricuspid ValvePulmonary ValveHypoplastic Left Heart SyndromeNeonatal ScreeningCardiologyPostoperative ComplicationsHeart MurmursSitus InversusBalloon OcclusionPrenatal DiagnosisFontan ProcedureDiGeorge SyndromeCardiac Care FacilitiesHeart InjuriesProstheses and ImplantsGestational AgePulmonary Subvalvular StenosisCardiomyopathiesAngiocardiographySyndromeCohort StudiesVentricular Outflow ObstructionAge FactorsElectrocardiographyEchocardiography, DopplerHeart Function TestsOximetryHeart Arrest, InducedRisk AssessmentArrhythmias, CardiacPredictive Value of TestsPrevalenceHeart AneurysmFailure to ThriveIncidenceTricuspid Atresia