Pulmonary Gas ExchangeVentilation-Perfusion RatioNoble GasesBlood Gas AnalysisOxygenCarbon DioxideArrhythmia, SinusPulmonary CirculationRespiratory MechanicsPulmonary VentilationPartial PressurePulmonary Diffusing CapacityRespiratory Dead SpaceRespirationRespiration, ArtificialOxygen ConsumptionTidal VolumeLungGasesRespiratory Function TestsPulmonary EdemaSmoke Inhalation InjuryPhysical ExertionHyperventilationRespiratory Distress Syndrome, AdultVentilationAnoxiaHepatopulmonary SyndromeCardiac OutputExercise TestHemodynamicsExtravascular Lung WaterExercisePositive-Pressure RespirationPulmonary AlveoliBicyclingLung DiseasesHigh-Frequency VentilationVital CapacitySpirometryHeart RateIntermittent Positive-Pressure VentilationDogsForced Expiratory VolumeRespiratory TransportLung Volume MeasurementsLactic AcidTime FactorsHigh-Frequency Jet VentilationInhalationVentilator WeaningVentilators, MechanicalNoninvasive VentilationNeonLung ComplianceWork of BreathingHypercapniaHeliumIntubation, IntratrachealWater Loss, InsensibleAir PressurePlant TranspirationRespiratory Physiological PhenomenaModels, BiologicalVentilator-Induced Lung InjuryFluorocarbonsLiquid VentilationLung InjuryMasks