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Neurology SOH > Head Injury > Flashcards

Head Injury Flashcards

1
Q

Primary head injury is reversible. True or false?

A

False

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2
Q

Primary head injury - there is immediate/delayed change in conscious level?

A

Immediate

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3
Q

Name 3 types of primary head injury

A

Scalp lesions
Skull fractures
Surface contusions

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4
Q

Scalp lesions - examples

A

Bruising
Lacterations
Bleeding

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5
Q

Skull fractures - type

A

Linear
Compound
Depressed

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6
Q

Linear skull fracture

A

Straight sharp fracture that may cross sutures

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7
Q

A linear skull frcture to the squamous portion of ______ bone can rupture the ____ _____ artery and cause ____ _______

A
  1. Temporal bone
  2. Middle meningeal artery
  3. Exdradural Haematoma
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8
Q

Compound skull fracture is associated with full thickness scalp lacerations. True or false?

A

True

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9
Q

What is a surface contusion

A

Bruises caused by tissue damage following severe compressive strains

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10
Q

Surface contusions are usually symmetrical. True or false?

A

False

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11
Q

2 types of surface contusions

A

Coup

Contra-coup

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12
Q

When does diffuse axonal injury occur?

A

At the moment of injury

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13
Q

Secondary head injury is potentially treatable. True or false?

A

True

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14
Q

Secondary injury - mechanisms

A 
Intracranial haematoma 
Raised ICP 
Hypoxia/ischaemia 
Oedema 
Infection
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15
Q

Coup occurs to the brain at the non-impact side. True or false?

A

False

- coup occurs to the brain on the side of impact

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16
Q

Contra-coup occurs to the brain opposite the point of impact (at the non-impact side). True or false?

A

True

17
Q

In fast moving objects, the extent of injury can be greater. True or false?

A

True

18
Q

Missile injury

A

Penetrating

19
Q

Non-missile injury

A

Blunt

20
Q

Missile injury is focal/diffuse damage?

A

Focal damage

21
Q

Give an example of non-missile injury

A

Falling off a bike and landing on head

22
Q

The shorter the contact time, the smaller/larger the force

A

Larger

23
Q

Causes of blunt injury

A

RTA
Falls
Assaults
Alcohol

24
Q

What is the most important type of brain damage due to blunt injury?

A

Diffuse axonal injury

25
Q

Traumatic intracranial haematoma - most are intradural/extradural

A

Intradural

Neurology SOH (31 decks)

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