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Flashcards in Head Injury Deck (18)
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1
Q

What is secondary brain injury?

A

due to consequences of injury eg swelling- partly preventable

2
Q

What causes secondary brain injury?

A

inflammation; ischaemia; brain oedeam

3
Q

How is cerebral perfusion pressure calculated?

A

MAP-ICP

4
Q

What is the aim for CPP after head injury?

A

> 60mmHg

5
Q

What are the 2 types of head injury?

A

missile (penetrating) and non-missile (closed

6
Q

What sign is seen with an anteiror cranial fossa #?

A

panda eyes

7
Q

What sign is seen with a middle cranial fossa #?

A

battle sign over mastoid area

8
Q

What are the 3 aspects of GCS?

A

eye opening; verbal response and best mottor response

9
Q

What are the 4 options for eye opening in GCS?

A

spontaneously; to command; to pain and none

10
Q

What are the options for verbal resposne in GCS ?

A

orientated; confused; inappropriate words; incomprehensible sounds; none

11
Q

What are the opions for best motor response in the GCS?

A

obeys ommands; localises pain; flexes to pain; extension and none

12
Q

What is the definition of coma?

A

doesn’t open eyes’ doesnt obey commands; doesn’t speak (GCS <8)

13
Q

What are the acuses of mortality in head injury?

A

hypoxia; hypotension and increased ICP

14
Q

Who should get a CT with head injury?

A

any skull #; GCS <15; focal neurological signs and if taking anti-coags eg warfarin

15
Q

What is the function of sedation with head injury?

A

redusces cerebral metabolic rate; cerebral blood flow and reduces ICP

16
Q

What are the late effects of head injury?

A

epilepsy; CSF lead; cognitive problems

17
Q

What is the difference between early and late onset epilepsy post head injury?

A

early is low irks whereas after first 2 weeks more likely to become established epilepsy

18
Q

What is a subdural hygroma?

A

CSF accumulation in the subdural space, without blood