Cerebrovascular Accidents Flashcards
obstruction within an intracranial blood vessel
ischemic stroke
ruptured intracranial blood vessel
hemorrhagic stroke
what is the most common type of stroke?
ischemic
temporary obstruction within an intracranial blood vessel
transient ischemic attack (TIA)
where does an embolic stroke usually come from?
the heart
what causes an thrombotic stroke?
atherosclerosis
what are the 3 causes of an ischemic stroke?
thrombus
embolus
systemic hypo-perfusion
what can be used to determine the need for anticoagulation vs antiplatelet therapy?
CHADS
what would we do for a patient with a CHADS score 2 or more? (2)
oral anticoagulant
(-aban)
what is the most common location of an ischemic stroke in the anterior cerebral circulation?
middle cerebral artery
in anterior circulation, which artery does a stroke come from?
internal carotid
in posterior circulation, which artery does a stroke come from?
vertebral-basilar artery
what is the treatment for carotid stenosis in ischemic stroke?
endarterectomy
a patient presents with aphasia, amaurosis fugax, hemiparesis and contralateral weakness. what are they experiencing?
anterior stroke
a patient presents with diplopia, bilateral vision loss, ataxia, loss of consciousness, and vomiting. what are they experiencing?
posterior stroke