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Flashcards in Stroke CC2 Deck (43)
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1

most ischemic strokes are of ___ etiology

embolic (33%)

30% are large vessel

20% are small vessel

2

___% of strokes are ischemic

83

3

__% of strokes are intracerebral hemorrhage

10

4

__% of strokes are subarchnoid hemorrhages

7

5

#1 risk factor for strokes is

high bp

6

nonmodifiable risk factors for stroke

age, sex, family history

7

stroke mimics include (5)

1. hypoglycemia

2. mass lesions

3. seizures/postictal states

4. migraine

5. psychogenic hemiparesis

8

contralateral hemiparesis (weakness on one side of the body) suggests ___ stroke

MCA

9

sx of anterior division MCA stroke 

contralateral head & eye deviation

10

sx of posterior division MCA stroke 

hemianopsia (contralateral visual field deficit),

11

is ____ is occluded on the right side, what sx do you get neglect

posterior division MCA

12

leg and foot deficits seen with 

ACA stroke

13

what could cause cortical blindness

bilateral PCA stroke

14

what is hemihypaesthesia? with what artery occlusion do you see it? 

complete loss of sensation of the contralateral face, arm, trunk and leg

 

seen with PCA

15

signs of basialr/brainstem stroke 

altered consciousness & crossed signs:

 

cranial nerve deficit on one
side

hemiparesis or sensation loss of body on other side

16

loss of perfusion to internal capsule by lenticulostriate causes __ sx 

pure motor hemiplegia (whole
side)

17

loss of perfusion to thalamus by lenticulostriate causes __ sx 

pure sensory hypaesthesia (whole side)

18

loss of perfusion to pons by lenticulostriate causes __ sx 

dysarthria, clumsy hand syndrome

19

what do you use to rule out hemorrhage?

ct scan (shows up white)

20

early infarct signs on a ct

1. hypodensity of grey or white matter


2. obliteration of cortical sulci

3. obscured basal ganglia

4. loss of insular ribbon

21

aphasia indicates ___

L. hemispheric stroke 

22

neglect / hemi-inattention indicates 

R. hemispheric stroke

23

patients usually look ___ the lesion

toward

24

crossed signs --> ___ involvement

brainstem

25

vertigo of central origin usu. means 

other cranial nerve deficits

26

vertical nystagmus is brainstem ____ until proven otherwise

ischemia

27

tPA Indications and Contraindications Inculsion if: age___

less than 80

28

tPA Indications and Contraindications Inculsion if: onset is

less than 3 hours

29

tPA Indications and Contraindications Inculsion if: NIHSS ___

less than 24

30

tPA Indications and Contraindications Inculsion if: ___ consent

informed