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10 Cards in this Set

  • Front
  • Back
Where do atherosclerotic changes predominate?
bifurcation points of large major cervical and intercranial arteries
How can collateral blood flow help with occlusion of ICA?
Basilar supplies via PCA and thru the ECA opthlamic a.
What is a transient ischemic attack?
Reversible, focal neurological deficit lasting less than 24 hours
What is the MOA of TIA?
embolus from artery or heart obstruct large vessel. It then disintergrates within minutes preventing ischemia
What is Amaerosis fugax?
monocular blindness due to retinal ischemia
What causes lacunar infarcts?
occlusion of the small penetrating arteries in the internal capsule, corona radiata, basilar pons, thalamus
What are the risk factors for ischemic infarcts?
What do you do clinically for ischemic stroke?
CT, control BP, glucse, give thrombolytic agent, monitor cerebral edema, physical therapy
When do you do carotid endarterectomy?
symptomatic, cervical internal carotid stenosis of 70% or greater
What is the pathology seen in the ischemic area?
neurons shrink, turn pink, MG scavenge vecrotic debris, cyst formation