Electricmarkandelectrocutiondeath电流斑和电击死characteristicCaseanalysisElectricmarkcaseElectricmarkContentElectricmarkandelectrocutionreasonElectrocutiondeathcharacteristicElectricmarkcaseElectricmarkElectricmarkElectricmarksgenerallyhaveanirregularlyroundedshape,andareoval0.5to1cmindiameter.TheyshapelikeanCaldera,scarhardanddryandhaveclearboundarieswiththesurroundingtissuesreasonCaseanalysisElectrocutiondeathElectricmarkandelectrocutioncharacteristicElectricmarkcaseElectricmarkElectricmarkElectricalmarkisoneofthecrucialmorphologicalfindingsonthebodyofapersonwhoreceivedafatalelectricshockanditisoftentheevidenceofcontactbetweenthebodyandelectricity,andcontactareaissmall.ElectricmarkandelectrocutionreasonCaseanalysisElectrocutiondeathcharacteristicElectricmarkElectricmarkcasereason某地从河中捞上一具无名男尸，尸体上身罩着麻袋,麻袋内装有17.5kg重的石头和死者的书包。经尸表检验，在手上发现一些创口，其中右手食指第三指节处有一呈圆形，直径5-10mm，色灰白或灰黄，质坚硬、干燥，中央凹陷，周围稍隆起，边缘钝圆，形似火山口，外周可有充血环，与周围组织分界清楚的创口。ElectricmarkcaseCaseanalysisElectrocutiondeathElectricmarkandelectrocutioncharacteristicElectricmarkCaseanalysisreason圆形，直径5-10mm，色灰白或灰黄，质坚硬、干燥，中央凹陷，周围稍隆起，边缘钝圆，形似火山口，外周可有充血环，与周围组织分界清楚的创口。ElectricmarkcaseCaseanalysis某地从河中捞上一具无名男尸，尸体上身罩着麻袋,麻袋内装有17.5kg重的石头和死者的书包。经尸表检验，在手上发现一些创口，其中右手食指第三指节处有一呈Atypicalelectricmark.Incaseswheretheelectricalmarkontheskinisabsent,thecauseofdeathisoftenelectrocutionElectrocutiondeathElectricmarkandelectrocutioncharacteristicElectricmarkcaseElectricmarkCaseanalysisOnthefollowingsituationtheelectrocutiondeathisverydifficulttoformatypicalelectricalmark:(1)Whentheskinismoisture.(2powersupplyiscontactwiththeskinclosely(3)Electrocutionwhenvoltageisunder220-volt(4)thereissomedirtatthecurrententryorexitontheskin.(5)Theareathatcurrentcontactwiththeskinislarge.reasonCaseanalysisElectrocutiondeath死者被发现时是在河里，皮肤潮湿，不太可能形成如此典型的电流斑，只能说明很可能生前就已经被电击了ElectricmarkandelectrocutioncharacteristicElectricmarkcaseElectricmarkCaseanalysisHowtoIdentifyofelectricalmarkbeforeandafterdeath:非特异性酷酶Non一PsecificEsteres(N.S.E)组织化学方法生前与死后短时间内的电损伤皮肤胶原纤维上NSE活性有显著差别P(0.05),电击后存活时间越长,电流斑皮肤周围的酷酶着色反应越深,范围越宽。光学显微镜下观察电流斑死后电流斑无弹力纤维收缩现象，真皮层无充血、坏死reasonCaseanalysisElectrocutiondeath参考文献：生前与死后电击伤皮肤NSE活性的观察_竞花兰ElectricmarkandelectrocutioncharacteristicElectricmarkElectricmarkcasereason某地从河中捞上一具无名男尸，尸体上身罩着麻袋,麻袋内装有17.5kg重的石头和死者的书包。经尸表检验，在手上发现一些创口，其中右手食指第三指节处有一呈圆形，直径5-10mm，色灰白或灰黄，质坚硬、干燥，中央凹陷，周围稍隆起，边缘钝圆，形似火山口，外周可ElectricmarkcaseCaseanalysisElectrocutiondeath有充血环，与周围组织分界清楚的创口。说明是生前电流斑ElectricmarkandelectrocutioncharacteristicElectricmarkElectrocutiondeath电击死reasonElectrocutionisdeathcausedbyelectricshock,electriccurrentpassingthroughthebody.ElectricmarkcaseCaseanalysisElectrocutiondeathElectricmarkandelectrocutioncharacteristicElectricmarkElectrocutiondeathreasonwhenpeopledeadbyelectrocution,wecanusuallyseethefollowingfeaturesElectricmarkcaseCaseanalysisElectrocutiondeathElectricmark电流斑Electricalburn电烧伤Electricmetallizationofskin皮肤金属化ElectricShockveins电击纹Internalchanges内部变化osseouspearls骨珍珠Electricmarkandelectrocution检验电击死尸体时，我们通常可以这些特征characteristicElectricmarkElectrocutiondeathreasonElectricmarkcaseCaseanalysisElectrocutiondeathElectricmetallizationofskin皮肤金属化ElectricShockveins电击纹ElectricmarkandelectrocutioncharacteristicElectricmarkElectrocutiondeathreasonElectricmarkcaseCaseanalysisElectrocutiondeathElectricalburnosseouspearls骨珍珠ElectricmarkandelectrocutioncharacteristicElectricmarkHowtoidentifyelectrocutiondeathreasonElectricmarkcaseCaseanalysisElectrocutiondeathElectricmarkandelectrocutionExcludeofothercausesofdeathcombinedwithcrimescenetheautopsyfoundelectrocutiondeathfeature尸检发现电击死的特征Typicalelectricmarkcanbeanimportantbasisofconfirmeddeathbyelectrocution，butwithoutelectricmarkwecanteliminatethepossibilityofelectrocution典型电流斑可以确认电击死的重要依据，但是没有电流斑也不能排除电击死的可能Thankyou！