1. Dr. Abdulmonem Al-Hayani MBChB, DipFMS(Lon), PhD(Aber)
Wounds and Injuries
Dr. Abdulmonem Al-Hayani
MBChB, DipFMS(Lon), PhD(Aber)
9/14/2019
Dr. Al-Hayani

2. Outcome=Aims=Goals Why this lecture? What is wounds?
Classifications of wounds?
Blunt force injuries?
Sharp force injuries?
9/14/2019
Dr. Al-Hayani

3. As GP, You Will See Hundreds of Wounds
Why this lecture?
As GP, You Will See Hundreds of Wounds
9/14/2019
Dr. Al-Hayani

4. Definition of Wounds
Damage to any parts of the body due to application of mechanical force
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Dr. Al-Hayani

5. Classifications of Wounds
Blunt
Force
Sharp
Force
9/14/2019
Dr. Al-Hayani

6. Blunt Force Injuries Blunt? Force depends on: Mass of weapon
Velocity of impact
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Dr. Al-Hayani

7. Blunt Force Injuries Severity of impact depends on: Force applied
Velocity
Surface area
Site of body
Diseases
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Dr. Al-Hayani

8. Blunt Force Injuries Types? Abrasion Bruises Lacerations Fractures
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Dr. Al-Hayani

9. Abrasions What? scraping and removal of superficial layers of skin
Causes?
Blunt objects
Ligature
Scraping against surfaces
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Dr. Al-Hayani

10. Commonest cause :
Fingernail Scratches
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Dr. Al-Hayani

11. Abrasions Medicolegal significance: Indicate severity
Lies at point of impact
Skin tag may indicate direction of scraping
Antemortem or Postmortem
9/14/2019
Dr. Al-Hayani

12. Bruises
What? Escape of blood into tissue of living person due to rupture of blood vessels
Causes?
Direct blow
Impact with hard surfaces
Punching, kicking
Spread of blood from internal injuries
9/14/2019
Dr. Al-Hayani

13. Bruises Medicolegal significance:
Evidence of application of blunt force
Mainly indicate antemortem injuries
Can indicate types of weapons e.g. shoes, tyre etc…
9/14/2019
Dr. Al-Hayani

14. Please differentiate from:
Hypostasis
9/14/2019
Dr. Al-Hayani

15. Lacerations
What? Tearing or splitting of tissues due to crushing force
Causes?
Impact with surface
Crushing injuries
Deceleration injuries
9/14/2019
Dr. Al-Hayani

16. Sharp Force Injuries Always fatal Always by knifes
Characterization of knifes:
length, width and thickness of blade
Type of blade
Degree of taper
Sharpness
9/14/2019
Dr. Al-Hayani

17. Sharp Force Injuries Characterization of stab wounds depends:
Type of weapon
Sharpness
Movement
Depth of trust
Direction of impact
9/14/2019
Dr. Al-Hayani

18. Sharp Force Injuries Examination of wounds: Number of wounds Sites
Defensive injuries
Fatal wounds
9/14/2019
Dr. Al-Hayani

19. Do not forget to check:
Clothes
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Dr. Al-Hayani

20. Sharp Force Injuries Accidental? Suicide? Or Homicide?
Accidental: uncommon, odd sites
Suicidal: left site of chest, must be accessible, often shallow, no defense wounds, tentative wounds
Homicide: any site, often haphazard, defensive wounds present
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Dr. Al-Hayani

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29. Summary
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Dr. Al-Hayani

30. Do Not Forget Medicolegal Aspects of Wounds
Key Lesson
Do Not Forget Medicolegal Aspects of Wounds
9/14/2019
Dr. Al-Hayani

31. Questions & Comments
9/14/2019
Dr. Al-Hayani