AWounds caused by sharp instruments Incised Cut wounds
A-Wounds caused by sharp instruments: § Incised (Cut) wounds. § Stab penetrating wounds. § Transfixing wounds. § Defense wounds
I-Incised (cut) wound: § Definition : § Characters: 1 - The edges 2 - The length 3 - Gaping of the edges 4 - Bleeding 5 - Liability to sepsis 6 - Healing
Its age can be determined to know the time of its infliction by histological examination § 30 minutes – 4 hours: Margination of polymorph nuclear leucocytes § 48 hours: Pus may be present if sepsis occurs. § 10 -15 days: Complete healing by primary intention if no sepsis. § § § 3 weeks: Red scar. 3 months: Scar becomes coppery. 6 months: Scar is thin and pale,
Stab wound: § Definition: § Unibladed knife or Bibladed knife § Characters: 1. 2. 3. 4. 5. More deep than long The edges The shape of the wound may be changed if They are very dangerous A broken tip of the weapon may be found in the wound.
Types of stab wounds: 1. 2. 3. 4. Ordinary stab wounds. Punctured wounds Penetrating wounds (3 PMS) Transfixing wounds
Fabricated wound: § Definition § Characters: Defense wounds Definition: 1 - Injuries sustained by grasping the weapon: 2 - Injuries sustained during raising the hand
2 - Wounds caused by blunt instruments: § Abrasions. § Bruises (contusion). § Lacerations.
Abrasion § § § 1. 2. 3. 4. 5. Definition Causative instrument Types linear Sliding Pressure Impact Bite
ML importance of abrasions 1. 2. 3. 4. 5. Violence Its shape Its site Its age Cut and contused wounds
Contusions § § Definition Types Factor affecting size ML importance
Contused wounds § § § Definition Characters Deference between cut and contused W
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