Blood Gas AnalysisBlood TransfusionCarbon DioxideOxygenErythrocyte TransfusionAcid-Base ImbalanceGasesPartial PressurePlatelet TransfusionCapnographyPulmonary Gas ExchangeBlood Gas Monitoring, TranscutaneousOximetryExchange Transfusion, Whole BloodRespiratory InsufficiencyHepatopulmonary SyndromeBlood Transfusion, AutologousRespiratory Dead SpaceBlood Component TransfusionRespirationBlood Specimen CollectionHypoventilationRespiratory Function TestsMethemoglobinemiaVentilation-Perfusion RatioAcid-Base EquilibriumBlood Transfusion, IntrauterineOxygen ConsumptionHypercapniaOxyhemoglobinsAnoxiaFetofetal TransfusionRespiration, ArtificialOxygen Inhalation TherapyHydrogen-Ion ConcentrationProspective StudiesLungAnesthesia, GeneralPulmonary EmbolismRadiography, ThoracicLung DiseasesExercise TestHemodynamicsSpirometryPulmonary Disease, Chronic ObstructivePositive-Pressure RespirationBicarbonatesVital CapacityRetrospective StudiesArteriesTime FactorsAcute DiseaseForced Expiratory VolumeTreatment OutcomeBlood Loss, SurgicalHemoglobinsHeart RateBlood Grouping and CrossmatchingLeukocyte TransfusionObesity Hypoventilation SyndromeBlood BanksSyringesBlood PressureBlood PreservationBlood DonorsSwinePoint-of-Care SystemsLung Diseases, ObstructiveBlood Group IncompatibilityIntensive CareChromatography, GasPulmonary VentilationPredictive Value of TestsAnemia, NeonatalAnemiaErythroblastosis, FetalNoble GasesCardiac OutputDisease Models, AnimalGas Chromatography-Mass SpectrometryInfant, NewbornPlateletpheresisMonitoring, PhysiologicExercise ToleranceOperative Blood SalvagePostoperative HemorrhageBlood SubstitutesIsoantibodiesRespiratory Distress Syndrome, AdultBreath TestsIntraoperative CareDyspneaLactic AcidTranexamic AcidAntifibrinolytic AgentsBlood SafetyHemodilutionFetomaternal TransfusionGas Poisoning