Stroke II Flashcards Preview

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Flashcards in Stroke II Deck (10):
1

What stroke types come on during the day, and what come on while pt is asleep?

day: embolic or hemorrhagic
night" thrombotic

2

What questions should I ask about strokes in young ppl?

OCP, hematologic disorders like sickle cell, polycythemia, collagen disorders, Marfan

3

What should I consider in stroke pt with limited neck range of motion?

vertebral arteries: pass through the tranasverse spinal canals, which are narrowed in osteoporisis

4

What are examples of vasuclar malformations that cause hemorrhagic stroke?

AVM: direct artery-to-vein connection w/o intervening capillary bed. usually in the supratentorial areai. 1-3% annual risk of intracranial hemorrhage
cavernoma: lobulated collection of endothelial-lined space: popcorn appearance on MRI with GRE. 1% annual risk of ICH

5

What are some causes of cerebral venous thrombosis?

hypercoaguable state (pregnacy, OCP and smoking, etc)
local infection, esp. in kids (mastoiditis)
tumor
venous stasis (dehydration, for example)
trauma
autoimmune
idiopathic

6

What are some clinical features of cerebral venous thrombosis?

raised ICP, focal deficits, seizures

7

What are signs of anterior choroidal artery stroke?

hemiparesis, field cut, maybe sensory deficits if thalamus is disrupted.

8

What is the recurrent artery of Huebner?

branch of ACA that supplies the ehad of the caudate and can present with neuropshyche symptoms

9

Some symptoms of MCA stroke

visual field cut, language impairment (dominant hemisphere), neglect (non-dominant hemisphere), apraxia, agnosia, forced gaze/gaze preference

10

Findins with the berebro-basilar stroke

eye movement problems
dysarthria/dysphagia
pupillary changes
mixed sensory-motor deficits
ataxia
vertigo