CVA - Stroke Flashcards
define stroke
the loss of blood supply causing loss of brain function
what are the main blood vessels that supply the brain
internal carotid artery - splits into ACA & MCA
vertebral artery- splits into basilar and PCA
what is the most common type of stroke
ischemic
what is an ischemic stroke
stoppage of blood flow to an area
what is a hemorrhagic stroke
SUDDEN BLEEDING OUTBURST. when a blood vessel rupturers, starts to leak out of cerebral circulation and the blood starts to collect and push on the brain tissue causing damage
why is a hemorrhagic stroke more severe
increased pressure
affects more areas of the brain
causes seizures and infections
would you take a blood thinner with an ischemic stroke
yessssssir
what determines how bad a stroke will occur?
where in the brain it happens and how much tissue is damaged
determined by which blood vessels are involved
how long does it take a neuron to die without oxygen
about 4 minutes
what is the percentage that another stroke could happen within 5 years
25%
what is a TIA
transient ischemic attack … MINI STROKE
temporary interruption of blood flow to the brain
goes away within 24 hours
doesn’t cause permanent damage to cells
get a clot, then is spontaneously breaks up
stroke is #1 cause of death and disability . TRUE OR FALSE
true
having a stroke on the left side of the brain will affect the right side of the body .. true or false
true
what does FAST stand for
F- face (is it drooping)
A- arm (can you raise both?)
S- speech (is it slurred)
T- time (call 911 right away)
does the left side of the brain control language for most people
chyeahhh
