lesson 4 Flashcards
stroke
neuro impairment following interruption of blood flow to an area of the brain
2 types of stroke
ischemic
hemorrhagic
ischemic strokes
75-80% of strokes
more in women
what causes a stroke
tissue fed by artery comes ischemic
circulation in obstructed due to thrombus
ischemic stroke clinical features
weakness/numbness on one side of the body
trouble walking
dizziness
headache
hemorrhagic stoke
circulation is disrupted due to a loss of a vascular integrity
tissue becomes inschemic and infarcts
20% of strokes
types of hemorrhagic strokes
intracerebral
non traumatic subarachnoid SAH
intracerebral hemorrhage
more common
bleeding in brain tissues
more common in asians and africans
subarachnoid hemorrhage stroke
bleeding in subarachnoid space
rupture of a vessel due to malformation
more common in women
hemorrhage stroke clinical features
neck pain
decreased LOC
history of straining or coughing
severe headache with nausea
TIA
neuro déficit that resolves within 24 hours (usually 30 min)
precedes ischemic
fast
face
arms
speech
time
Lams 3 categories
worst/best scores
facial droop arm drift grip strength best 0 worst 5
Lams facial droop
absent 0
present 1
arm drift
absent 0
drifts down after 10 sec 1
falls instantly 2
