CyanosisMethemoglobinemiaIntestinal ObstructionAirway ObstructionUreteral ObstructionOsteoarthropathy, Secondary HypertrophicHeart Bypass, RightHeart Defects, CongenitalDuodenal ObstructionUrinary Bladder Neck ObstructionUrethral ObstructionNasal ObstructionGastric Outlet ObstructionEbstein AnomalyVentricular Outflow ObstructionTetralogy of FallotArteriovenous MalformationsHeterotaxy SyndromePulmonary ArteryVena Cava, SuperiorInfant, NewbornFontan ProcedurePulmonary VeinsSulfhemoglobinLacrimal Duct ObstructionPulmonary Valve StenosisMethylene BlueMethemoglobinTransposition of Great VesselsBenzocaineAngiographyCytochrome-B(5) ReductaseHepatopulmonary SyndromeHeart Septal Defects, AtrialTricuspid AtresiaHeart Septal Defects, VentricularOximetryCardiac CatheterizationDyspneaArteriovenous FistulaCholestasis