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1、electricityorchemicals. Typesofburns Therearethreetypesofburns.Burnsarecalledfirst,second,orthirddegreeburns,dependingonwhichlayersoftheskinareburned. FirstdegreeburnsTheseaffectonlythetoplayeroftheskin.Theseburnsarenotseriousandshouldfeelbetterwithinadayor
2、two.Examplesincludemildsunburnandburnscausedbytouchingahotpan,stoveorironforamoment. SeconddegreeburnsTheseaffectboththetopandthesecondlayeroftheskin.Theseburnsareseriousandtakeafewweekstoheal.Examplesincludeseveresunburnandburnscausedbyhotliquids. Thirddeg
3、reeburnsTheseaffectallthreelayersoftheskinandanytissueandorgansundertheskin.Examplesincludeburnscausedbyelectricshocks,burningclothes,orseverepetrolfires.Theseburnscauseverysevereinjuriesandthevictimmustgotohospitalatonce. Characteristicsofburns Firstdegree
4、burns●dry,redandmildlyswollen ●mildlypainful ●turnwhitewhenpressed Seconddegreeburns●rough,redandswollen ●blisters ●waterysurface ●extremelypainful Thirddegreeburns●blackandwhiteandcharred ●swollen;oftentissueunderthemcanbeseen ●littleornopainifnervesaredam
5、aged; maybepainaroundedgeofinjuredare. Firstaidtreatment Removeclothingusingscissorsifnecessaryunlessitisstucktotheburn.Takeoffotherclothingandjewelryneartheburn. Coolburnsimmediatelywithcoolbutnoticywater.Itisbesttoplaceburnsundergentlyrunningwaterforabout
6、10minutes.(Thecoolwaterstopstheburningprocess,preventsthepainbecomingunbearableandreducesswelling.)Donotputcoldwateronthirddegreeburns. Forfirstdegreeburns,placecool,clean,wetclothsonthemuntilthepainisnotsobad.Forseconddegreeburns,keepclothscoolbyputtingthe
7、mbackinabasinofcoldwater,squeezingthemoutandplacingthemontheburnedareaoverandoveragainforaboutanhouruntilthepainisnotsobad. Drytheburnedareagently.Donotrub,asthismaybreakanyblistersandthewoundmaygetinfected. Covertheburnedareawithadry,cleanbandagethatwillno
8、tsticktotheskin.Holdthebandageinplacewithtape.Neverputbutter,oilorointmentonburnsastheykeeptheheatinthewoundsandmaycauseinfection. Ifburnsareonarmsorlegs,keepthemhigherthantheheart,ifpossible.Ifburnsar
