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高中英语Unit5Firstaid文章FirstAidForBleeding人教版必修五.doc

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用心爱心专心FirstAidForBleedingINTRODUCTION:Bleedinginaviansmaybeanemergency.Itisimportanttorecognizewhichsituationscanbemanagedathomeandwhenveterinarycareshouldbeobtainedassoonaspossible.Don'tpanic.Staycalm.Concentrateonlyonstoppingthebleeding.Birdscanlooseupto10%oftheirbloodvolumewithoutbecomingsymptomatic.Whenhandlingabirdtocontrolbleeding,goodrestrainttechniqueisimportanttoensurethatthebirdisnotgettingoverheated.Holdingthebirdinadamptowelwillhelpreducetheriskofheatstress.Failureofbleedingtostopwithappropriatefirstaidmeasuresmayindicateunderlyingliverdisease.Transportthebirdassoonaspossibletoaveterinarian.Thebirdmayrequiretreatmentforshock.Havethephonenumbersofyouravianveterinarianaswellasanafter-hoursveterinarianreadilyavailable.BLEEDINGFROMBROKENBLOODFEATHERS:Applycornstarchorflourtofeathershaftandobserve.Tissueglue,ifavailable,maybeusedinstead.Takecaretoavoidgettingonsurroundingfeathers.Ifthisfailstostopbleeding,takebirdtoveterinarian.Pullingbloodfeathersshouldnotbedoneroutinelybecauseofriskofdamageandprolongedbleedingfromfollicle.Mayberequirediffeatheriscrackedorbentbadly(birdmaychewfeatherandstartbleedingagain.)Ifveterinarycareisnotreadilyavailableandbleedingisnotcontrolled:Pullthebloodfeatherfromthebaseoftheshaftusingahemostatorneedletippliers(Hemostatisbetterifyouhaveone).Placethumbandforefingeracrossthefolliclepriortoremovingthefeathertominimizeriskofdamagetofollicle.ApplyPRESSUREwithfingertipacrossthefeatherfollicleforafewminutes.Ifpressurefailstocontrolbleedingfromthefollicle,applycornstarchorflour.IuseGelfoam(obtainfromavianvet)insteadofcornstarchorflour.InRAREsituations,IhavehadtoapplytissueglueovertheGelfoamtocontrolthebleedingfromafollicle.DONOTusesilvernitratesticksorKwikStoptocontrolbleedingfrombrokenbloodfeathersoronanypartoftheskin.Silvernitrateisusedasacauterizingagentanddestroysskin.Kwikstopcancausetissuedamage.BothsilvernitrateandKwikStopcancausesystemicpoisoning.BLEEDINGFROMNAILS:Applysilvernitratestickwithpressure.Silvernitratedoesnotcausedamaget