Pulmonary Gas ExchangeVentilation-Perfusion RatioNoble GasesBlood Gas AnalysisOxygenCarbon DioxideArrhythmia, SinusPulmonary CirculationRespiratory MechanicsPulmonary VentilationPartial PressurePulmonary Diffusing CapacityRespiratory Dead SpaceRespirationRespiration, ArtificialOxygen ConsumptionTidal VolumeLungRespiratory Function TestsGasesPulmonary EdemaSmoke Inhalation InjuryPhysical ExertionHyperventilationRespiratory Distress Syndrome, AdultVentilationAnoxiaHepatopulmonary SyndromeChest PainExercise TestCardiac OutputHemodynamicsExtravascular Lung WaterExercisePositive-Pressure RespirationLung DiseasesPulmonary AlveoliBicyclingHigh-Frequency VentilationVital CapacitySpirometryHeart RateIntermittent Positive-Pressure VentilationDogsForced Expiratory VolumeLung Volume MeasurementsRespiratory TransportLactic AcidHigh-Frequency Jet VentilationTime FactorsInhalationVentilator WeaningVentilators, MechanicalNoninvasive VentilationNeonLung ComplianceWork of BreathingChest TubesHypercapniaIntubation, IntratrachealHeliumAir PressureWater Loss, InsensiblePlant TranspirationRadiography, ThoracicRespiratory Physiological PhenomenaThoracic WallVentilator-Induced Lung InjuryThoraxModels, BiologicalFluorocarbonsLung InjuryLiquid VentilationVentilators, Negative-Pressure