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Flashcards in Head Injury Deck (26)
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1

What is prognosis of a head injury related to?

Length and depth of unconsciousness

2

3 parts of GCS?

Ocular, verbal, motor

3

What is the cranial cavity divided up by?

Reflections of dural membrane
Into R and L by falx
Into upper and lower by tentorium cerebelli

4

What does laceration of the scalp cause?

Profuse bleeding

5

What does the force required to cause a fracture depend on?

Thickness of hair
Thickness of scalp
Thickness of skull
Site of impact and direction

6

Name a condition which thickens the skull?

Hyperostosis internalis frontalis

7

Force from adult head falling from 1m

510N

8

Force from running into fixed obstruction?

1020

9

Battle's sing?

Indication of basal skull fracture

10

Who commonly gets hinge fractures?

Motorcyclisyt

11

What is a haemorrhage forming a distinct mass?

A haematoma

12

What might a blow to temple cause?

Extradural haematom

13

Fracture 85% of cases, tears an artery within groove in inner table of skull?

Extradural haematoma

14

What is torn with extradural haematoma?

Middle meningeal artery insdie temporal bone

15

Lucid interval occurs in ?

EDH

16

What is caused from trivial fall or blow?

Subdural haemorrhage

17

Who are subdural haemorrhages common in?

Alcoholics, elderly and children

18

What can cause a traumatic SAH?

Blow to chin OR ANGLE OF JAW JERKS HEAD, usually from a punch - traumatic basal SAH
vessels torn by stretching.

19

What kind of disease is most common to cause intracerebral haemorrhage?

Hypertension

20

What is Diffuse Traumatic Axonal Injury?

Tearing of nerve fivres (white matter) due to rotation and acceleration/deacceleration forces

21

Diagnosis of DTAI is usually based on microscopic findings. What one can be done in 2-4 hours?

Beta Amyloid Precursor Protein in immunostains

22

Diagnosis of DTAI is usually based on microscopic findings. What one can be done in 12-24 hours?

Thickened axons seen with silver stains

23

Diagnosis of DTAI is usually based on microscopic findings. What one can be done in 1 day?

Axonal retraction bulbs in white matter

24

What can be seen with naked eye in DTAI?

Haemorrhages in white matter

25

Name 3 late complications of HI?

Meningitis
Cerebral abscess
Post-traumatic epilepsy

26

What are the three herniations from raised ICP?

Subfalcine - of cingulate gyrus
Subtentorial - of cerebrum under tentorial edge
Tonsillar coning of cerebellum into foramen magnum