Blood Gas AnalysisAcid-Base ImbalanceCarbon DioxideOxygenGasesPartial PressureAcid-Base EquilibriumCapnographyPulmonary Gas ExchangeBlood Gas Monitoring, TranscutaneousOximetryRespiratory InsufficiencyHepatopulmonary SyndromeRespiratory Dead SpaceHydrogen-Ion ConcentrationRespirationRespiratory Function TestsHypoventilationBlood Specimen CollectionMethemoglobinemiaVentilation-Perfusion RatioBicarbonatesOxygen ConsumptionHypercapniaAnoxiaBase PairingOxyhemoglobinsRespiration, ArtificialOxygen Inhalation TherapyBase SequenceLungAnesthesia, GeneralPulmonary EmbolismRadiography, ThoracicExercise TestLung DiseasesSpirometryPulmonary Disease, Chronic ObstructiveProspective StudiesPositive-Pressure RespirationHemodynamicsVital CapacityArteriesCytosineForced Expiratory VolumeNucleic AcidsAcidosisGuanineAcute DiseaseAlkalosisHeart RateCarbocysteineObesity Hypoventilation SyndromeSyringesTime FactorsBlood PressureSwinePurinesLung Diseases, ObstructiveRetrospective StudiesAlkaliesHydrogen BondingAdenineChromatography, GasCatalysisPoint-of-Care SystemsPulmonary VentilationTreatment OutcomeGas Chromatography-Mass SpectrometryDNA, B-FormNoble GasesPredictive Value of TestsAlkalosis, RespiratoryExercise ToleranceCardiac OutputXanthopterinMonitoring, PhysiologicDisease Models, AnimalIntensive CareSodium BicarbonateEducation, VeterinaryModels, MolecularHypermediaSkull BaseUracilAcidsMolecular Sequence DataBase CompositionSchiff BasesBreath TestsDNAKineticsDyspneaNucleic Acid ConformationThymineCrystallography, X-RayBinding SitesLactic AcidNucleic Acid DenaturationRespiratory Distress Syndrome, Adult