CyanosisOxygenMethemoglobinemiaOsteoarthropathy, Secondary HypertrophicOxygen ConsumptionHeart Bypass, RightReactive Oxygen SpeciesHeart Defects, CongenitalEbstein AnomalyArteriovenous MalformationsTetralogy of FallotHeterotaxy SyndromePulmonary ArteryFontan ProcedureOximetrySulfhemoglobinMethylene BlueVena Cava, SuperiorPulmonary VeinsInfant, NewbornMethemoglobinBenzocaineHepatopulmonary SyndromeOxygen Inhalation TherapyCytochrome-B(5) ReductasePulmonary Valve StenosisTricuspid AtresiaAnoxiaSinglet OxygenHeart Septal Defects, AtrialAngiographyArteriovenous FistulaTransposition of Great VesselsHeart Septal Defects, VentricularCardiac Catheterization