Blood Gas AnalysisBlood VolumeCarbon DioxideBlood PressureOxygenAcid-Base ImbalanceGasesPartial PressureHemorrhageCapnographyPulmonary Gas ExchangeHeart RateBlood Gas Monitoring, TranscutaneousOximetryRespiratory InsufficiencyHepatopulmonary SyndromeRespiratory Dead SpaceRespirationHypertensionHypoventilationRespiratory Function TestsBlood Specimen CollectionMethemoglobinemiaVentilation-Perfusion RatioAcid-Base EquilibriumOxygen ConsumptionHypercapniaAnoxiaOxyhemoglobinsRespiration, ArtificialOxygen Inhalation TherapyHydrogen-Ion ConcentrationLungAnesthesia, GeneralPulmonary EmbolismRadiography, ThoracicExercise TestLung DiseasesSpirometryPulmonary Disease, Chronic ObstructiveProspective StudiesPositive-Pressure RespirationBicarbonatesHemodynamicsVital CapacityArteriesForced Expiratory VolumeAcute DiseaseObesity Hypoventilation SyndromeSyringesTime FactorsSwineLung Diseases, ObstructiveRetrospective StudiesChromatography, GasPoint-of-Care SystemsPulmonary VentilationTreatment OutcomeNoble GasesGas Chromatography-Mass SpectrometryPredictive Value of TestsExercise ToleranceCardiac OutputMonitoring, PhysiologicDisease Models, AnimalIntensive CareBreath TestsDyspneaRespiratory Distress Syndrome, AdultLactic AcidGas Poisoning