Date post: | 28-Mar-2015 |
Category: |
Documents |
Upload: | janelle-sibbett |
View: | 280 times |
Download: | 12 times |
Chapter 5Chapter 5 Death from Burns, Cold and Death from Burns, Cold and Electrical InjuriesElectrical Injuries
Section 1 Death from BurnsSection 1 Death from Burns
1. Definition:1. Definition: Burns is injury produced by the application of flame, or heated solid substances to the surface of the body.
Death from burn.
Scalding is injury produced by the application hot liquids or gases to the surface of the body.
Death from scalding.
Section 1 Death from BurnsSection 1 Death from Burns
1. Definition:1. Definition: Burns is injury produced by the application of flame, or heated solid substances to the surface of the body.
Death from burn.
Scalding is injury produced by the application hot liquids or gases to the surface of the body.
Death from scalding.
2. Appearances of death from burns2. Appearances of death from burns
(1) External appearances:(1) External appearances:
Burns: 4 gradeBurns: 4 grade
Grade I:Grade I: erythema
Grade II:Grade II: vesicle
Grade III: necrosis
Grade IV: carbide
pungilistic attitude, Cilia sign
2. Appearances of death from burns2. Appearances of death from burns
(1) External appearances:(1) External appearances:
Burns: 4 gradeBurns: 4 grade
Grade I:Grade I: erythema
Grade II:Grade II: vesicle
Grade III: necrosis
Grade IV: carbide
pungilistic attitude, Cilia sign
pungilistic attitudepungilistic attitudepungilistic attitudepungilistic attitude
pungilistic attitudepungilistic attitudepungilistic attitudepungilistic attitude
(2). Internal(2). Internal appearancesappearances
1. Thermal respiratory tract syndrome: soot, edema a1. Thermal respiratory tract syndrome: soot, edema and bronchitis ,etc. nd bronchitis ,etc.
2. Epicardial or endocardial2. Epicardial or endocardial petechial hemorrhage, blpetechial hemorrhage, blood in color of cherry red, Hb-CO 50%-70%.ood in color of cherry red, Hb-CO 50%-70%.
3. Soot in stomach.3. Soot in stomach.
4. Extradural heat hematoma4. Extradural heat hematoma
5. 5. DegenerationDegeneration of viscera. of viscera.
(2). Internal(2). Internal appearancesappearances
1. Thermal respiratory tract syndrome: soot, edema a1. Thermal respiratory tract syndrome: soot, edema and bronchitis ,etc. nd bronchitis ,etc.
2. Epicardial or endocardial2. Epicardial or endocardial petechial hemorrhage, blpetechial hemorrhage, blood in color of cherry red, Hb-CO 50%-70%.ood in color of cherry red, Hb-CO 50%-70%.
3. Soot in stomach.3. Soot in stomach.
4. Extradural heat hematoma4. Extradural heat hematoma
5. 5. DegenerationDegeneration of viscera. of viscera.
Extradural heat hematomaExtradural heat hematomaExtradural heat hematomaExtradural heat hematoma
Soot in
the airw
ayS
oot in th
e airway
Soot in
the airw
ayS
oot in th
e airway
erythema and vesicleerythema and vesicleerythema and vesicleerythema and vesicle
3. Mechanism of death from burn3. Mechanism of death from burn
(1) shock: traumatic shock(1) shock: traumatic shock
(2) Poising of CO and other gases(2) Poising of CO and other gases
(3) self-poising.(3) self-poising.
(4) Complications and secondary infections(4) Complications and secondary infections
(5) Injury accompanied.(5) Injury accompanied.
4. Forensic expertise4. Forensic expertise
(1)(1) Differenciation between death from burn and reDifferenciation between death from burn and re
mains of cremated bodymains of cremated body
3. Mechanism of death from burn3. Mechanism of death from burn
(1) shock: traumatic shock(1) shock: traumatic shock
(2) Poising of CO and other gases(2) Poising of CO and other gases
(3) self-poising.(3) self-poising.
(4) Complications and secondary infections(4) Complications and secondary infections
(5) Injury accompanied.(5) Injury accompanied.
4. Forensic expertise4. Forensic expertise
(1)(1) Differenciation between death from burn and reDifferenciation between death from burn and re
mains of cremated bodymains of cremated body
death from burndeath from burn cremated bodycremated body
erythema, , vesicle no
cilia sign no
boot in trachea no
thermal respiratory tract thermal respiratory tract
syndromesyndrome
no
shock lung no
HbCO in heart and vessels no
increased activation in enzyme no
without other cause of death other cause of death
(2) Identification of suicide, homicide or accident. (2) Identification of suicide, homicide or accident.
(3) Personal identification.(3) Personal identification.
(2) Identification of suicide, homicide or accident. (2) Identification of suicide, homicide or accident.
(3) Personal identification.(3) Personal identification.
Section 2 Death from ColdSection 2 Death from Cold1. Definition:1. Definition: Frostbite is a kind of injury in skin caused in low temFrostbite is a kind of injury in skin caused in low temperature.perature.
Death from cold.Death from cold.
2. Appearances of death from cold2. Appearances of death from cold (1) paradoxical undressing, risus sardonicus, sardonic f(1) paradoxical undressing, risus sardonicus, sardonic feature.eature.
(2) Visniffski’s spot.(2) Visniffski’s spot.
Section 2 Death from ColdSection 2 Death from Cold1. Definition:1. Definition: Frostbite is a kind of injury in skin caused in low temFrostbite is a kind of injury in skin caused in low temperature.perature.
Death from cold.Death from cold.
2. Appearances of death from cold2. Appearances of death from cold (1) paradoxical undressing, risus sardonicus, sardonic f(1) paradoxical undressing, risus sardonicus, sardonic feature.eature.
(2) Visniffski’s spot.(2) Visniffski’s spot.
FrostbiteFrostbite FrostbiteFrostbite
FrostbiteFrostbite FrostbiteFrostbite
paradoxical undressingparadoxical undressingparadoxical undressingparadoxical undressing
risus sardonicus, sardonic featurerisus sardonicus, sardonic featurerisus sardonicus, sardonic featurerisus sardonicus, sardonic feature
Section 3. Electrical injurySection 3. Electrical injury
1. Definition1. Definition
Electrical injury is a kind of injury of skin or other tissue and organ cause by electrical current.
Death from electricity.
2. The factor of electrical injury2. The factor of electrical injury
(1) Kind of electrical current: DC, AC.
(2) Voltage.
(3) Intensity of current
Section 3. Electrical injurySection 3. Electrical injury
1. Definition1. Definition
Electrical injury is a kind of injury of skin or other tissue and organ cause by electrical current.
Death from electricity.
2. The factor of electrical injury2. The factor of electrical injury
(1) Kind of electrical current: DC, AC.
(2) Voltage.
(3) Intensity of current
(4) electric resistance
(5) affecting time
(6) route of current pass through the body
(7) contact
(8) status of body
3. Mechanism of death3. Mechanism of death(1) ventricular fibrillation
(2) Respiratory paralysis
(3) Electrical burn, secondary shock, fat embolism.
(4) Fall from height.
(4) electric resistance
(5) affecting time
(6) route of current pass through the body
(7) contact
(8) status of body
3. Mechanism of death3. Mechanism of death(1) ventricular fibrillation
(2) Respiratory paralysis
(3) Electrical burn, secondary shock, fat embolism.
(4) Fall from height.
4. Appearances of electrical injury or death fro4. Appearances of electrical injury or death from electricitym electricity
(1) electric mark (current mark):
Electric edema, streaming of nuclei, cooking effect.
(2) electric metalization of skin
(3) electric burn
(4) exit of current
(5) osseous pearls
4. Appearances of electrical injury or death fro4. Appearances of electrical injury or death from electricitym electricity
(1) electric mark (current mark):
Electric edema, streaming of nuclei, cooking effect.
(2) electric metalization of skin
(3) electric burn
(4) exit of current
(5) osseous pearls
Histology of current markHistology of current markHistology of current markHistology of current mark
Histology of current markHistology of current markHistology of current markHistology of current mark
Scene of death from suicidal electrocutionScene of death from suicidal electrocutionScene of death from suicidal electrocutionScene of death from suicidal electrocution
Current markCurrent markCurrent markCurrent mark
Cooking effectCooking effectCooking effectCooking effect
Lightening markLightening markLightening markLightening mark
Lightening markLightening markLightening markLightening mark