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