stroke Flashcards
(26 cards)
a stroke process without cell death
transient ischemic attack
after unk cause, where are ischemic strokes most likely to occur?
large vessel, small vessel (lacunar)
stroke d/t deep penetrating vessels
lacunar strokes
major risk factors of lipohyalinosis (3)
- HTN
- age
- DM
what is the #1 determinant of stroke
age
stroke to the thalamus; presents with pain syndrome
dejerine roussy
subarachnoid hemorrhage is most often d/t_____
rupture of intracranial saccular aneurysms
sudden severe HA, LOC, focal neuro signs
subarachnoid hemorrhage
CSF will be ______in subarachnoid hemorrhage
xanthachromic
how to check for vasospasm
transcranial doppler
post subarachnoid hemorrhage, risk for vasospasm is greatest when?
day 4-21
tx to give to decr risk of vasospasm after subarachnoid hemorrhage
nimodipine
the etiology of hyponatremia in subarachnoid hemorrhage is_____
cerebral salt wasting
hyponatremia is most likely when after subarachnoid hemorrhage
day 3-7
what is the most modifiable risk factor for stroke
HTN
antiplatelet agents are used for primary or secondary stroke prevention
secondary
warfarin is used for primary or secondary stroke prevention
primary
used to prevent strokes in those with A fib or with mechanical valves
warfarin (coumadin)
what may be superior to warfarin (3)
- diabigatran
- rivaraoxaban
- apixaban
which area are we trying to save when someone presents with a stroke (which tissue is at risk?)
penumbra (core is already dead)
what is the first test to order when a patient presents with stroke sx?
head CT w/o contrast
tx of choice in acute ischemic stroke
IV tpa
time window in which tpa can be given in acute ischemic stoke
4.5 hrs
4 classic sx of lacunar strokes
pure motor, pure sensory, (mixed), clumsy hand dysarthria, ataxia hemiparesis
