OxygenBlood Gas Monitoring, TranscutaneousPressurePartial PressureOxygen ConsumptionBlood PressureMagnetic Resonance ImagingHyperbaric OxygenationAnoxiaDecompressionButtocksBlood Gas AnalysisHemoglobinsCarbon DioxideOxyhemoglobinsMetalloporphyrinsReactive Oxygen SpeciesBrain MappingPulmonary Gas ExchangeIschemiaHydrostatic PressureArteriosclerosis ObliteransRegional Blood FlowOximetryToesExtracellular FluidHemodynamicsMicrocirculationLegAltitudeArteriesImage Processing, Computer-AssistedBrainOxygen Inhalation TherapyDendrimersTime FactorsBlood Pressure DeterminationCerebrovascular CirculationMyoglobinHematocritIntermittent ClaudicationLuminescent MeasurementsCell HypoxiaHydrogen-Ion ConcentrationHeart RateHypertensionTransducers, PressureIntracranial PressureCarbonyl Cyanide m-Chlorophenyl HydrazoneIntraocular PressureRats, Sprague-DawleyAtmospheric PressureBlood Pressure Monitoring, AmbulatoryOxidation-ReductionSinglet OxygenLactic AcidBoidaeAir PressureRestExercise TestMuscle, SkeletalVenous PressureTreatment OutcomeDivingUrological AgentsVisual CortexApneaDiphosphoglyceric AcidsGyrus CinguliPhotic StimulationArterial PressureMyocardiumVentricular PressureEcho-Planar ImagingImage Interpretation, Computer-AssistedSpectrophotometryTomography, OpticalDogsNerve NetCerebral CortexBlood Flow VelocityLungHypercapniaAnalysis of VarianceCentral Venous PressurePulmonary Wedge PressureModels, CardiovascularReproducibility of ResultsFrontal LobeAnesthesiaAntihypertensive AgentsSpectroscopy, Near-InfraredOxygen IsotopesPrefrontal CortexEvoked Potentials, VisualElectroencephalographyArtifactsVascular ResistanceSomatosensory CortexEquipment Design