Prone PositionSupine PositionPatient PositioningBedding and LinensPostureFagopyrumNephrostomy, PercutaneousBedsRespiratory Distress Syndrome, AdultVolcanic EruptionsPulmonary Gas ExchangeSudden Infant DeathDisposable EquipmentInterior Design and FurnishingsNose DiseasesSleepPositive-Pressure RespirationRespiration, ArtificialMasksRespiratory MechanicsNitrogen RadioisotopesVentilation-Perfusion RatioLaryngopharyngeal RefluxPronationNosePulmonary CirculationArthropod ProteinsSpineEquipment ReuseUreteral CalculiLaryngeal MasksOrgans at RiskAirway ManagementAntigens, DermatophagoidesPulmonary VentilationPressure UlcerBlood Gas AnalysisIntraoperative ComplicationsGravitationIntubation, IntratrachealIntraoperative Care