oxygen(吸氧).ppt

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1、OxygenTherapy氧气疗法ContentsClassificationofHypoxia（缺氧）LevelofHypoxiaIndicationofOxygenTherapySourcesofOxygenMethodsofOxygenDeliveryImplementationofOxygenTherapyComplicationsofOxygenTherapyHypoxia:DeficiencyintheamountofoxygenreachingbodytissuesObjectivesStateindicationsofoxygentherapyExpatiateonpreca

2、utionsofoxygentherapyStatedifferentsourcesofoxygenandmethodsofoxygendeliveryDemonstratetheprocedureofadministeringoxygentherapybynasaltubecorrectlyStatecomplicationsofoxygentherapyandexpatiatehowtopreventOxygenTherapyPurpose:RaisePaO2，SaO2，andCaO2PreventorrelievehypoxiaPromotemetabolism(新陈代谢)氧气疗法是指

3、通过给氧，提高动脉血氧分压(Pa02)和动脉血氧饱和度(Sa02)，增加动脉血氧含量(Ca02)，纠正各种原因造成的缺氧状态，促进组织的新陈代谢，维持机体生命活动的一种治疗方法。O2CO2O2CO2LungCirculatorysystemExternalrespirationGastransportInternalrespirationCellsFunctionofRespirationHypoxiacanberelatedtoanypartofrespiration:ventilation,diffusionofrespiratorygases,transportofrespirator

4、ygases,andutilizationofoxygenatcellularlevel.ClassificationCharacteristicsCausesHypotonic~(低张性缺氧)PaO2CaO2Highaltitudedisease,COPD,HeartdiseaseHemic~(血液性缺氧)InadequateoralterationsofqualityofhemoglobinAnemia（贫血）,COpoisoningCirculatory~(循环性缺氧)PoortissueperfusionwithoxygenatedbloodShock,HeartfailureHis

5、togenous~(组织性缺氧)InabilityoftissuestoextractoxygenfrombloodCyanidepoisoning（氰化物中毒）ClassificationofHypoxiaIndicationofOxygenTherapyHypotonichypoxia:thebestOxygentherapymayhaveeffectonclientswithheartfailure,shock,severeanemia,orcarbonmonoxidepoisoning.LevelofHypoxiaLevelCyanosis(紫绀)Dyspnea（呼吸困难）Consc

6、ious-ness血气分析PaO2(mmHg)SaO2(﹪)Mild~（轻度缺氧）nonoslightclarityModerate~（中度缺氧）havehavenormalorfidgetSevere~（重度缺氧）severeseverecoma＞50＞80＜30＜6060~8030~50IndexofOxygenTherapyMildhypoxia:notindicatedforclientModeratehypoxia:needoxygentherapySeverehypoxia:absoluteindicationSourcesofOxygen＊OxygenCylinderSyste

7、m（氧气筒装置）＊WallOutletSupply（中心供氧装置）＊OxygenBag（氧气枕）＊HighPressureCabin（高压氧舱）OxygenCylinderSystemOxygencylinder（氧气筒）Content:6000LPressure:150kg/cm2Oxygenregulator（氧气表）Pressuregauge（压力表）Reductor（减压器）Flowmeter（流量表