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Flashcards in Injury to the Body Deck (19)
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1

What is an injury?

Physical harm or damage to someone's body caused by an accident or an attack

2

What is the human body constantly subjected to?

Mechanical forces, from gravitation forces to sporting activites

3

What is the formula that describes the intensity of a force?

EK = 1/2mv2

4

What is an important factor for the amount of damage something causes?

Smaller surface area of 'weapon' causes more damage

5

What can excessive mechanical force cause?

Compression

Traction

Torsion

Tangential (shearing)

6

What does the damage depend on?

Type of mechanical insult and nature of the target tissue

7

What can injury be classed by?

Appearance or method of causation (such as abrasion, burns)

Manner of causation (suicidal, accidental, homicidal)

Nature of injury (blunt force, sharp force)

8

What are blunt force injuries?

Caused by impact with blunt objects

9

What are examples of blunt force injuries?

Contusion

Abrasion

Lacerations

10

What are contusions?

Bruising due to burst blood vessels in the skin

11

What are abrasions?

Scraping of skin surface

12

What are lacerations?

Tear/split of skin due to crushing

13

What are examples of patterned bruises?

Tramline bruise

Fingertip bruise

14

What are factors that affect the prominance of bruising?

Skin pigmentation

Depth and location

Fat (more fat bruises easier)

Age (children have lose skin, blood vessel of skin poorly supported in elderly)

Resilient areas (such as buttock and abdoment bruise less easy)

Coagulative disorders

15

What is a sharp force?

Injury caused by a weapon with a sharp cutting edge

16

What can injuries from a sharp force be?

Superficial

Penetrating

17

What are the 2 kinds of injuries from sharp forces?

Incised wounds

Stab wounds

18

What are incised wounds?

Slashing motion, longer on the skin surface than is deep

19

What are stab wounds?

Penetrating injury from thrusting motion