Partial PressureOxygenBlood Gas AnalysisOxygen ConsumptionCarbon DioxideBlood Gas Monitoring, TranscutaneousHeliumPulmonary Gas ExchangeAnoxiaPressureOxyhemoglobinsHemoglobinsRespirationBlood PressureCell HypoxiaHemodynamicsLungReactive Oxygen SpeciesHydrostatic PressureAtmospheric PressureOxygen Inhalation TherapyHypocapniaTidal VolumeBlood Pressure DeterminationCapnographyHyperbaric OxygenationHypercapniaAir PressureRespiratory TransportNoble GasesHeart RateOximetryAcid-Base EquilibriumHypertensionHyperventilationTransducers, PressureIntracranial PressureKryptonIntraocular PressureRespiratory MechanicsArgonRespiration, ArtificialBlood Pressure Monitoring, AmbulatoryPositive-Pressure RespirationRespiratory Distress Syndrome, AdultSinglet OxygenTime FactorsHydrogen-Ion ConcentrationRespiratory Dead SpaceRegional Blood FlowCerebrovascular CirculationRespiratory InsufficiencyDivingVenous PressureAltitudeIsofluraneAirHyperoxiaAlkalosis, RespiratoryVascular ResistanceNeonPulmonary VentilationGasesXenonAnesthetics, InhalationArterial PressureBlood Flow VelocityVentricular PressureNitrous OxideInhalationDogsCardiac OutputVentilation-Perfusion RatioHalothaneHolcusMethyl EthersOxidation-ReductionAcclimatizationAnesthesia, InhalationCarbon MonoxideHydrogenChemoreceptor CellsProspective StudiesCentral Venous Pressure