Wounds and Injuries Wounds and Injuries
Dr. Abdulmonem Al-Hayani Dr. Abdulmonem Al-Hayani
MBChB, DipFMS(Lon), MBChB, DipFMS(Lon),
12/13/24 Dr. Al-Hayani 2
Outcome=Aims=Goals Outcome=Aims=Goals
Why this lecture?Why this lecture?
What is wounds?What is wounds?
Classifications of wounds?Classifications of wounds?
Blunt force injuries?Blunt force injuries?
Sharp force injuries?Sharp force injuries?
Why this lecture?
Why this lecture?
12/13/24 Dr. Al-Hayani 4
Definition of Wounds Definition of Wounds
Damage to any parts of the body Damage to any parts of the body due to application of mechanical due to application of mechanical
force force
Classifications of Wounds Classifications of Wounds
Blunt
Force Sharp
Force
12/13/24 Dr. Al-Hayani 6
Blunt Force Injuries Blunt Force Injuries
Blunt?Blunt?
Force depends on:Force depends on:
1.1. Mass of weaponMass of weapon
2.2. Velocity of impactVelocity of impact
Blunt Force Injuries Blunt Force Injuries
Severity of impact depends on:Severity of impact depends on:
1.1. Force appliedForce applied
2.2. VelocityVelocity
3.3. Surface areaSurface area
4.4. Site of bodySite of body
5.5. DiseasesDiseases
12/13/24 Dr. Al-Hayani 8
Blunt Force Injuries Blunt Force Injuries
Types?Types?
1.1. AbrasionAbrasion
2.2. BruisesBruises
3.3. LacerationsLacerations
4.4. FracturesFractures
Abrasions Abrasions
What? scraping and removal of What? scraping and removal of superficial layers of skin
superficial layers of skin
Causes? Causes?
1.1. Blunt objectsBlunt objects
2.2. LigatureLigature
3.3. Scraping against surfacesScraping against surfaces
12/13/24 Dr. Al-Hayani 10
Commonest cause :
Commonest cause :
Abrasions Abrasions
Medicolegal significance:Medicolegal significance:
1.1. Indicate severityIndicate severity
2.2. Lies at point of impactLies at point of impact
3.3. Skin tag may indicate direction of Skin tag may indicate direction of scraping
scraping
Antemortem or Postmortem Antemortem or Postmortem
12/13/24 Dr. Al-Hayani 12
Bruises Bruises
What? Escape of blood into tissue of What? Escape of blood into tissue of living person due to rupture of blood living person due to rupture of blood
vessels vessels
Causes?Causes?
1.1. Direct blowDirect blow
2.2. Impact with hard surfacesImpact with hard surfaces
3.3. Punching, kickingPunching, kicking
4.4. Spread of blood from internal injuriesSpread of blood from internal injuries
Bruises Bruises
Medicolegal significance:Medicolegal significance:
1.1. Evidence of application of blunt Evidence of application of blunt force
force
2.2. Mainly indicate antemortem injuriesMainly indicate antemortem injuries
3.3. Can indicate types of weapons e.g. Can indicate types of weapons e.g.
shoes, tyre etc…
shoes, tyre etc…
12/13/24 Dr. Al-Hayani 14
Please differentiate from:
Please differentiate from:
Lacerations Lacerations
What? Tearing or splitting of tissues What? Tearing or splitting of tissues due to crushing force
due to crushing force
Causes?Causes?
1.1. Impact with surfaceImpact with surface
2.2. Crushing injuriesCrushing injuries
3.3. Deceleration injuriesDeceleration injuries
12/13/24 Dr. Al-Hayani 16
Sharp Force Injuries Sharp Force Injuries
Always fatalAlways fatal
Always by knifesAlways by knifes
Characterization of knifes:Characterization of knifes:
1.1. length, width and thickness of bladelength, width and thickness of blade
2.2. Type of bladeType of blade
3.3. Degree of taperDegree of taper
4.4. Sharpness Sharpness
Sharp Force Injuries Sharp Force Injuries
Characterization of stab wounds Characterization of stab wounds depends:
depends:
1.1. Type of weaponType of weapon
2.2. SharpnessSharpness
3.3. MovementMovement
4.4. Depth of trustDepth of trust
12/13/24 Dr. Al-Hayani 18
Sharp Force Injuries Sharp Force Injuries
Examination of wounds:Examination of wounds:
1.1. Number of woundsNumber of wounds
2.2. SitesSites
3.3. Defensive injuriesDefensive injuries
4.4. Fatal woundsFatal wounds
Do not forget to check:
Do not forget to check:
12/13/24 Dr. Al-Hayani 20
Sharp Force Injuries Sharp Force Injuries
Accidental? Suicide? Or Homicide?Accidental? Suicide? Or Homicide?
Accidental: uncommon, odd sitesAccidental: uncommon, odd sites
Suicidal: left site of chest, must be Suicidal: left site of chest, must be
accessible, often shallow, no defense accessible, often shallow, no defense
wounds, tentative wounds wounds, tentative wounds
Homicide: any site, often haphazard, Homicide: any site, often haphazard, defensive wounds present
defensive wounds present
12/13/24 Dr. Al-Hayani 22
12/13/24 Dr. Al-Hayani 24
12/13/24 Dr. Al-Hayani 26
12/13/24 Dr. Al-Hayani 28
12/13/24 Dr. Al-Hayani 30
