《传染病学》医院感染-教学课件（非AI生成）.ppt

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2024-12-04 发布于湖北
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《传染病学》医院感染-教学课件（非AI生成）.ppt

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****Developmentofaninfectiondependsonthesixelementsidentifiedinthechainofinfection.*********Anexampleofinfectioncontrolpracticesare:HandwashingGloves,gowns,protectiveeyewear,masks(properlyfitted)AseptictechniquePrivaterooms,alsonegativepressurerooms**Thereareinterconnectingfactorsforanindividualtoacquireinfection.Inthisslide,itshowshowtheyarelinkedtogetherandpracticestoconsiderhowtobreakthechainofinfectiontransmission.Infectiousagent–rapididentificationofthemicroorganismmostlikelycausingtheinfectionisimportant.AsHCW,weshouldunderstandandknowhowtointerpretlab.resultsalongwiththepatient’ssymptomsinordertreatthem.Reservoir–Oncetheorganismisidentified,wewillbeabletoconsiderwheretheyarenormallyfound(people,environmentorwater).Fromthis,wecanmakeaguidanceforthepreventionoftransmissionofinfectionsoPoliciesweremaderegardingstaffhealthmedicalcheckup,environmentalcleaningandpropersterilizationanddisinfectionprocedures.Portalofexit–thesearetheexitswherebytheorganismleavethereservoirthroughsecretions,excretions,openskinordroplets(generatedbytalking,sneezingorcoughing)Thusconsiderationisgiventothestaffbydoinghandhygiene,properwastedisposalofclinicalandmedicalwastesetc.ModesofTransmission–thisistheweakestlinkinbreakingthechainsincetherearelotsofmeasuresthatcanbedone.Oncetheorganismleavesthereservoir,thereareno.ofwayshowitistransmittedthroughdirectcontact(handtohand),Ingestion(contaminatedfoodorunpasteurizedmilkproductsetc),Fomites(inanimateobjects),Airborne(dropletparticleswhichissuspendedintheairforlongerperiodoftimebecauseoftheirsizeof0.5um.Emphasisisgiveninpreventionoftransmissionbyadvocatingproperhandhygiene,sterilization,etc.PortalofEntry–Thesemicroorganismsgain