HemoglobinsOximetryOxygenOxyhemoglobinsSpectroscopy, Near-InfraredPhotoacoustic TechniquesPartial PressureOxygen ConsumptionAnemia, Sickle CellAnoxiaHemoglobin, SickleMicrocirculation2,3-DiphosphoglycerateDiphosphoglyceric AcidsHemoglobin AMethemoglobinHemoglobins, AbnormalCarbon DioxideFetal HemoglobinHemorheologyRespirationOxygen Inhalation TherapyHemodynamicsHemoglobin CErythrocytesReactive Oxygen SpeciesProspective StudiesBlood Gas AnalysisBlood Gas Monitoring, TranscutaneousHemoglobin A, GlycosylatedHemoglobin EAltitudeHemoglobin A2CarboxyhemoglobinHemoglobinometryMonitoring, PhysiologicTruncated HemoglobinsAnemiaHemoglobinopathiesHematocritMonitoring, IntraoperativeApneaJugular VeinsCyanosisIronBlood SubstitutesInfant, NewbornTime FactorsCerebrovascular CirculationSleep Apnea SyndromesHeart RateAltitude SicknessSinglet OxygenPolysomnographyMethemoglobinemiaEisenmenger ComplexHydrogen-Ion ConcentrationKineticsHemoglobin C DiseaseHemoglobin JPulmonary Gas ExchangeHemoglobin HBlood PressureConscious SedationMountaineeringTibetHemeSpectrophotometryRetinal VeinHypercapniaFiber Optic TechnologyInfant, PrematureExercise TestErythropoietinSleep Apnea, ObstructiveHyperoxiaCardiac OutputCarbon MonoxideRespiratory InsufficiencyGlobinsFerritinsHeart Defects, CongenitalRespiratory Function TestsThalassemiaTreatment OutcomeMidazolamSpectrum AnalysisResuscitationOxidation-ReductionRespiration, ArtificialAnemia, Iron-DeficiencyCardiopulmonary BypassErythrocytes, AbnormalSleepVital SignsHypoventilationLung Diseases, ObstructiveErythrocyte IndicesIntubation, IntratrachealPulmonary Ventilation