OximetryOxygenBlood Gas Monitoring, TranscutaneousCapnographyMonitoring, IntraoperativeOxyhemoglobinsNeonatal ScreeningHypoventilationAnoxiaMonitoring, PhysiologicMethemoglobinemiaOxygen Inhalation TherapySpectroscopy, Near-InfraredForeheadRetinal VeinSleep Apnea SyndromesBlood Gas AnalysisHeart Defects, CongenitalPartial PressureDye Dilution TechniqueElectron Spin Resonance SpectroscopyConscious SedationRecovery RoomInfant, NewbornOxygen ConsumptionProspective StudiesDeep SedationPolysomnographyRetinal Artery