2. Wounds Presented By DR Said Said Elshama

3. ● Definition :- Application of violence on tissue of the body → interference of continuity of tissue → wound ●Types and shape of wounds depends on :- 1- Nature of the force Blunt Blunt Sharp Sharp 2- Amount of the force Mild Mild Moderate Moderate Heavy Heavy

4. Classification of wounds :- A – Legal Classification B – Medico legal Classification A – Legal → 1-Slight 1-Slight 2- Dangerous 2- Dangerous 3- Mortal 3- Mortal

5. B – Medico legal Classification :- 1-Abrasion 2- Contusion ( bruises ) 3- Cut ( incised ) 4- Contused ( lacerated ) 5- Stab 6- Firearm 7- Fabricated

6. Abrasion :- 1-Defintion 1-Defintion 2-Types 2-Types 3-Age 3-Age 4-Ante – Mortem 4-Ante – Mortem 5-Post - Mortem 5-Post - Mortem

7. Abrasions

8. Contusions (Bruises):- 1-Defintion 1-Defintion 2-Factors Affecting 2-Factors Affecting ( size, site, shape ) ( size, site, shape ) 3-Age 3-Age 4-Ante – Mortem 4-Ante – Mortem 5-Post - Mortem 5-Post - Mortem

9. Bruises

10. Cut (incised) Wounds :- Characters :- 1- Causative instrument 1- Causative instrument 2- Edge 2- Edge 3- Length 3- Length 4- Bridging of tissues 4- Bridging of tissues 5- Hair 5- Hair 6- Bleeding 6- Bleeding 7- Sepsis 7- Sepsis

11. Cut Wound

13. Contused(lacerated) Wounds :- Characters :- 1- Causative instrument 1- Causative instrument 2- Edge 2- Edge 3- Bridging of tissues 3- Bridging of tissues 4- Hair 4- Hair 5- Bleeding 5- Bleeding 6- Sepsis 6- Sepsis

14. Lacerated wound (contused)

15. Stab Wounds :- Characters :- 1- Causative instrument 1- Causative instrument 2- Edge 2- Edge 3- Depth 3- Depth 4- Angle 4- Angle 5- Types → 1- Penetrated 5- Types → 1- Penetrated 2- Non Penetrated 2- Non Penetrated

16. Stab wound

17. Firearm wounds :- Characters:- 1- Loss of substance 2- Presence of two wounds ( inlet and exit ) ( inlet and exit ) 3- Powder marks 4- Beveling

18. Firearm wound

19. Entry and exit points of firearm wound

20. Self inflicted Wounds :- 1- Cut wrist 2- Cut throat 3- Firearm 3- Fabricated

21. Self inflicted wounds Fabricated Cut throat Cut wrist

22. Age of Wounds:- After 24 hr → red and swollen After 48 hr → new vessels grow After 5 days → obliterated vessels After 10 days → healing by primary intention After 3 weeks → red scar After 3 months → coppery scar After 6 months → pale scar is undetectable

23. Examination of wound Nature of wound ( suicidal, homicidal, accidental ) Nature of wound ( suicidal, homicidal, accidental ) Site of wound ( neck, wrist, heart, temple, back ) Site of wound ( neck, wrist, heart, temple, back ) Direction of wound ( oblique, transverse, downwards, backwards, inwards) Direction of wound ( oblique, transverse, downwards, backwards, inwards) Number of wounds ( multiple or single) Number of wounds ( multiple or single) Hesitation mark ( suicide) Hesitation mark ( suicide)

24. Hesitation marks

25. Complications of wounds :- 1- Traumatic shock :- A- Primary A- Primary B- Secondary B- Secondary 2- Hemorrhage 3- Embolism:- ( venous, arterial ) A - Air A - Air B - Fat B - Fat 4- Infection 5- Surgical interference

26. Thank you