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1、electricityorchemicals. Typesofburns Therearethreetypesofburns.Burnsarecalledfirst,second,orthirddegreeburns,dependingonwhichlayersoftheskinareburned. FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotseriousandshouldfeelbetterwithinadayortwo.Exam
2、plesincludemildsunburnandburnscausedbytouchingahotpan,stoveorironforamoment. SeconddegreeburnsTheseaffectboththetopandthesecondlayeroftheskin.Theseburnsareseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandburnscausedbyhotliquids. ThirddegreeburnsTheseaff
3、ectallthreelayersoftheskinandanytissueandorgansundertheskin.Examplesincludeburnscausedbyelectricshocks,burningclothes,orseverepetrolfires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce. Characteristicsofburns Firstdegreeburns●dry,redandmildlysw
4、ollen ●mildlypainful ●turnwhitewhenpressed Seconddegreeburns●rough,redandswollen ●blisters ●waterysurface ●extremelypainful Thirddegreeburns●blackandwhiteandcharred ●swollen;oftentissueunderthemcanbeseen ●littleornopainifnervesaredamaged; maybepainaroundedgeofinjur
5、edare. Firstaidtreatment Removeclothingusingscissorsifnecessaryunlessitisstucktotheburn.Takeoffotherclothingandjewelryneartheburn. Coolburnsimmediatelywithcoolbutnoticywater.Itisbesttoplaceburnsundergentlyrunningwaterforabout10minutes.(Thecoolwaterstopstheburningpr
6、ocess,preventsthepainbecomingunbearableandreducesswelling.)Donotputcoldwateronthirddegreeburns. Forfirstdegreeburns,placecool,clean,wetclothsonthemuntilthepainisnotsobad.Forseconddegreeburns,keepclothscoolbyputtingthembackinabasinofcoldwater,squeezingthemoutandplac
7、ingthemontheburnedareaoverandoveragainforaboutanhouruntilthepainisnotsobad. Drytheburnedareagently.Donotrub,asthismaybreakanyblistersandthewoundmaygetinfected. Covertheburnedareawithadry,cleanbandagethatwillnotsticktotheskin.Holdthebandageinplacewithtape.Neverputbu
8、tter,oilorointmentonburnsastheykeeptheheatinthewoundsandmaycauseinfection. Ifburnsareonarmsorlegs,keepthemhigherthantheheart,ifpossible.Ifburnsar