Heart Defects, CongenitalHeart Septal Defects, VentricularHeart Septal DefectsDiscrete Subaortic StenosisHeart Septal Defects, AtrialAortic Stenosis, SubvalvularHeartEndocardial Cushion DefectsFetal HeartAbnormalities, MultipleInfant, NewbornEchocardiographyHeart RateTetralogy of FallotCardiac Surgical ProceduresCyanosisTransposition of Great VesselsHeart SeptumCardiac CatheterizationDown SyndromeAortic CoarctationUltrasonography, PrenatalHeart ValvesVentricular Outflow ObstructionPulmonary Subvalvular StenosisPregnancyPulmonary Valve StenosisSeptal Occluder DeviceHeart DiseasesCardiovascular AbnormalitiesGrowth Differentiation Factor 1Truncus Arteriosus, PersistentNoonan SyndromeCardiomyopathy, HypertrophicHeart FailureHypoplastic Left Heart SyndromeAngiocardiographyRetrospective StudiesAortic Valve StenosisPulmonary ArteryFetal DiseasesHeart BlockChromosomes, Human, Pair 22Echocardiography, TransesophagealTreatment OutcomeSyndromeFollow-Up StudiesHeart VentriclesGestational AgeDuctus Arteriosus, PatentNeonatal ScreeningEchocardiography, Doppler, ColorOximetryPulmonary AtresiaMusculoskeletal AbnormalitiesTricuspid AtresiaSitus InversusFaciesAortic Valve InsufficiencyHeart TransplantationHemodynamicsEchocardiography, Four-DimensionalDiGeorge SyndromeTime FactorsHeart AtriaCardiopulmonary BypassArkansasPostoperative ComplicationsTricuspid ValveAortopulmonary Septal DefectPrenatal DiagnosisMyocardiumHeart AneurysmAtrial SeptumAortic Arch SyndromesNuchal Translucency MeasurementPhenotypeEchocardiography, Three-DimensionalProspective StudiesMutationRisk FactorsChromosome DeletionTrisomyCase-Control StudiesPulmonary CirculationHypertension, PulmonaryBalloon OcclusionProstheses and ImplantsEndocardiumKaryotypingGene Expression Regulation, DevelopmentalHeart InjuriesEndocardial CushionsEchocardiography, DopplerWolf-Hirschhorn SyndromeCongenital AbnormalitiesHeart Arrest, InducedPregnancy Trimester, FirstGATA4 Transcription FactorMitral Valve