Oxygen ConsumptionDecompression, SurgicalPartial PressureDecompressionDecompression SicknessOxygenDivingMountaineeringAltitude SicknessPressureAltitudeCarbon DioxideBlood PressureBlood Gas AnalysisAtmospheric PressureAnoxiaPulmonary Gas ExchangeEmbolism, AirRespirationEnergy MetabolismReactive Oxygen SpeciesHeart RateHeliumAcclimatizationHydrostatic PressureNoble GasesTime FactorsHyperbaric OxygenationSpinal Cord CompressionHemodynamicsBarotraumaAtmosphere Exposure ChambersLaminectomyAir PressureTrigeminal NeuralgiaMicrovascular Decompression SurgerySpheniscidaeOxygen Inhalation TherapySpinal StenosisNerve Compression SyndromesBlood Gas Monitoring, TranscutaneousAcetazolamideTidal VolumeProspective StudiesArnold-Chiari MalformationTreatment OutcomeSpinal FusionHypocapniaDogsCardiac OutputOximetryHypercapniaCervical VertebraeRegional Blood FlowExercise TestPolarographyLactic AcidExpeditionsGasesExerciseBlood Pressure DeterminationRespiratory TransportDiskectomy, PercutaneousSwimmingOxyhemoglobinsCapnographyIntracranial PressureOxidation-ReductionLumbar VertebraeSyringomyeliaStomach RuptureAlcohol DrinkingAcid-Base EquilibriumHydrogen-Ion ConcentrationPhysical ExertionCerebrovascular CirculationAirModels, BiologicalFur SealsComplex MixturesHypertensionLactatesHemoglobinsRespiratory MechanicsBiomechanical PhenomenaHyperventilationKryptonAdaptation, PhysiologicalBody TemperatureVascular ResistanceMyocardiumSeals, EarlessPulmonary VentilationCell EngineeringPerfusionRespiration, ArtificialIntraocular PressureNitrogenTransducers, PressureHyperoxia