Pulmonary Gas ExchangeTidal VolumeVentilation-Perfusion RatioRespiration, ArtificialNoble GasesVentilator-Induced Lung InjuryRespiratory Distress Syndrome, AdultBlood Gas AnalysisPositive-Pressure RespirationOxygenCarbon DioxideArrhythmia, SinusLungRespiratory MechanicsPulmonary CirculationPulmonary VentilationPulmonary Diffusing CapacityPartial PressureVentilators, MechanicalAcute Lung InjuryRespiratory Dead SpaceRespirationLung InjuryLung ComplianceOxygen ConsumptionRespiratory Function TestsGasesPulmonary EdemaSmoke Inhalation InjuryPhysical ExertionHyperventilationVentilationAnoxiaHepatopulmonary SyndromeCardiac OutputHemodynamicsBronchoalveolar Lavage FluidExercise TestExtravascular Lung WaterExercisePulmonary AlveoliLung DiseasesBicyclingVital CapacityHigh-Frequency VentilationSpirometryLung Volume MeasurementsHeart RateForced Expiratory VolumeIntermittent Positive-Pressure VentilationDogsRespiratory TransportLactic AcidTime FactorsHigh-Frequency Jet VentilationInhalationVentilator WeaningNoninvasive VentilationBlood VolumeNeonWork of BreathingHypercapniaHeliumIntubation, IntratrachealWater Loss, InsensiblePlant TranspirationAir PressureRespiratory Physiological PhenomenaModels, BiologicalFluorocarbonsLiquid VentilationAirway ResistanceVentilators, Negative-Pressure