test 2 - hematomas Flashcards

1
Q

accumulation of blood in the potential space between the inner table of the skull and the stripped off dural membrane

A

epidural hematoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

occurs 2% of pt’s with head injuries

5-15% pt’s with fatal head injuries

A

EDH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

EDH is a ____ bleed

A

arterial

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

period of time when pt is upright, talking, then topples over

A

lucid period

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

caused by a focused blow to the head

A

EDH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

EDH is most commonly located at what skull site

A

temporal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

EDH ___ outnumber ___ 4:1

A

males outnumber females 4:1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

untreated death usually results in ____ hours of EDH

A

6-24

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

neurological deficits of EDH

A

visual field def

aphasia

weakness

numbness

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

____ response is indicative of elevated intracranial pressure

bradypnea

bradycardia

hypertension

A

cushing response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

CSF physical finding

A

leakage resulting from skull fracture with disruption of the dura

otorrhea

rhinorrhea

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what is a hemotympanum

A

bruise somewhere other than where hit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

ipsilateral dilation of the pupil due to compression of the oculomotor nerve

A

anisocoria

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what are the three parameters of the Glasgow Coma Scale

A

eye opening

verbal response

motor function

13-15 : mild

9-12 : moderate

3-8 : severe

less than 8 are in coma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

glasgow - eye scale

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

glasgow verbal scale

A
17
Q

glasgow motor scale

A
18
Q

how to score Glasgow Coma Scale score

A

E__V__M___ = GS ___

do not just write GS___

19
Q

decorticate posturing indicates damage to

A

mesencephalic region or the corticospinal tract

20
Q

decorticate pos.

A

flexed

21
Q

decerebrate pos.

A

extended

22
Q

decerebrate posture indicates

A

brain stem damage

23
Q

prime imaging for immediate un-enhanced scan

A

CT

MRI is too slow

24
Q

rapid clotting blood collection below the inner layer of the dura but external to the brain and arachnoid membrane

A

subdural hematoma

25
Q

subdural hematoma is a ____ bleed

A

venous bleed

slow (7-28 days)

26
Q

acute subdural hematomas develop in what 3 ways

A

bleeding by a damaged cortical artery

bleeding from underlying parenchymal injury

tearing of bridging veins from the cortex to one of the draining venous sinuses

27
Q

subacute subdural hematoma phase begins ____ after injury

A

3-7 days

clotting

28
Q

chronic phase of subdural hematoma begins about ____ weeks after acute injury

A

2-3 weeks

dissolution of the clot

29
Q

T/F SDH is more common in people older than 60

A

TRUE

30
Q

GCS score less than ___ after blunt head trauma, in a patient with no intoxicating substance use, warrants immediate CT scan

A

15

31
Q

hematomas presenting 21 days or more after injury

A

chronic SBH

32
Q

hematomas that present 4-21 days after injury

A

subacute SDH

33
Q

the highest incidence of CSDH cases are in adults aged

A

70-79 years

34
Q

CSDH - ___% have an interval of 1-4 weeks before symptoms develop

A

25

35
Q

CSDH - __% experience symptoms from 5 weeks to 3 months before their hospital admission

A

25

36
Q

CSDH - ____ of pts have no asymptomatic period

A

1/3 (33%)

37
Q

what sign is in about 50% of CSDH pts

A

hemiparesis: weakness of one entire side of the body

38
Q
A