Forensic Aspects of Trauma 2 Flashcards Preview

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Flashcards in Forensic Aspects of Trauma 2 Deck (10)
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1
Q

What are examples of passive and acive defensive type injuries?

A
  • Passive – victim raises arms and legs for protection
  • Sliced, shelved often with skin flaps over backs of hands and forearms
  • Active – victim tries to grab weapon or attackers hand
  • Sliced shelved incised wounds on palmer aspect of hands and web spaces between fingers – particularly between thumb and index finger
2
Q

Self inflicted injuries

A
  • Commonly sharp force
  • Site of election - usually wrists/forearms, chest and abdomen
  • Parallel, multiple and tentative incisions
3
Q

What are the factors that determine the consequences of injury?

A
  • Type of mechanical insult – blunt, sharp, homicide, suicide, accident etc
  • Nature of target tissue - head, chest, abdomen, fat
  • Forces involved – high speed RTC, fall from height, kicking, stamping, punch
  • Number of impacts – multiple vs single
4
Q
A
5
Q

What causes traumatic subarachnoid haemorrhage?

A

Rapid rotational movement of head - usually a single punch to the jaw / upper part o f neck or side of head

Sudden unexpected twisting motion

Traumatic rupture of vessels at base of brain - most frequently distal portion of intracranial vertebral arteries at point where they cross the dura

Immediately unconscious and in cardiac arrest

6
Q

What does the clinical term - diffuse axonal injury mean?

A

Immediate and prolonged coma with no apparent mass lesion or metabolic abnormality

7
Q

What does the pathological term traumatic axonal injury mean?

A

Damaged axons due to trauma

8
Q

How is TAI (traumatic axonal injury) graded

A

Focal or diffuse (graded 1-3 depending on severity)

9
Q

What are possible post mortem injuries?

A

Animal predation

Insect predation

10
Q
A