Unit 2 content Flashcards
How many people die of stroke
1 in 5
More women than men
What are the 2 types of stroke and which is more prevelant
Ischemic and Hemorrhagic
ischemic strokes account for 80% of all strokes
What is a thrombus
Platelet aggregation that forms and blocks flow
What is an Embolism
forms elsewhere in the body then lodged in a blood vessel in the brain blocking blood flow
What is atherosclerosis
build up of plaque that blocks blood flow
What is the pathophysiology of a stroke
Release of glutamate
Altered Ca ion channels cause influx of Ca into neurons
Activation of destructive Ca sensitive enzymes
Further neuronal cell death
What are the signs of a stroke
FAST
face, arm, speech, time
What are the signs of an ACA infarct
Contralateral hemiparesis
Mostly lower extremity sensory loss
Confusion
What are the symptoms of a MCA infarct
Mostly upper extremity sensory loss and weakness Visual problems - homonymous hemianopsia Neglect if non dominant hemisphere Apraxia if dominant hemisphere Aphasia
What are the symptoms of a PCA infarct
Homonymous hemianopsia
Contralateral transient hemiparesis or plegia and sensory loss`
What drug is useful for destroying clots and how should it be administered
tPA
3 hours of stroke symptoms
not to be used in hemorrhagic stroke
What are some characteristics of right sided stroke
Difficulty with ambulating without realizing it
What are some characteristics of left sided stroke
more likely to have aphasia and apraxia
aware of limitations
may have clinical depression
What are the requirements for entering subacute care for a stroke
tolerate therapies for 3 hours a day 6 days a week for 2 separate disciplines
What are the requirements for entering chronic care for a stroke
diagnosis lasts 6 months
Patient comfortable entering and exiting own home