Flashcards in Stroke II Deck (10)
What stroke types come on during the day, and what come on while pt is asleep?
day: embolic or hemorrhagic
What questions should I ask about strokes in young ppl?
OCP, hematologic disorders like sickle cell, polycythemia, collagen disorders, Marfan
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
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
What are some causes of cerebral venous thrombosis?
hypercoaguable state (pregnacy, OCP and smoking, etc)
local infection, esp. in kids (mastoiditis)
venous stasis (dehydration, for example)
What are some clinical features of cerebral venous thrombosis?
raised ICP, focal deficits, seizures
What are signs of anterior choroidal artery stroke?
hemiparesis, field cut, maybe sensory deficits if thalamus is disrupted.
What is the recurrent artery of Huebner?
branch of ACA that supplies the ehad of the caudate and can present with neuropshyche symptoms
Some symptoms of MCA stroke
visual field cut, language impairment (dominant hemisphere), neglect (non-dominant hemisphere), apraxia, agnosia, forced gaze/gaze preference