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22 Cards in this Set
- Front
- Back
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occurs when there is ischemia to part of the brain or hemorrhage in the brain that results in death of brain cells
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stroke
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occurs when microemboli temporarily block blood flow to the brain
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TIA
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results from inadequate blood flow to brain from partial or complete occlusion of an artery (approx 80% of all strokes)
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ischemic stroke
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bleeding into the brain tissue or subarachnoid space
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hemorrhagic stroke
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occurs from formation of blood clot in injured blood vessel -- most common type
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thrombotic stroke
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embolus lodges in and occludes a cerebral artery. sudden onset w/immediate symptoms
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embolic stroke
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bleeding within the brain caused by ruptured vessel
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intracerebral hemorrhage
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ruptured aneurysm
"worst headach of my life" |
subarachnoid hemorrhage
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S/S of stroke
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Sudden severe H/A
Sudden numbness or weakness of arm or leg on one side of body Sudden change in mental status Difficulty speaking or understanding or swallowing Sudden visual disturbances |
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Treatment of stroke
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Anticoagulants (Coumadin)
Antiplatelets (Ticlid) Aspirin TPA w/in 1st 3 hrs of symptoms (restores circulation) |
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Interventions for stroke
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Monitor VS
Elevate HOB 30 degrees Monitor neuro status PT/OT/ST |
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Functions of frontal lobe
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personality
memory reasoning concentration motor control of speech |
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Functions of parietal lobe
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sensation
integration of sensory info spatial relationships |
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Functions of temporal lobe
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hearing
speech memory emotion |
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Functions of occipital lobe
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vision
involuntary eye movements |
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Emergency mgmt of stroke
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patent airway
remove dentures pulse oximetry O2 Establish IV access position head midline HOB 30 degrees Institute seizure precautions |
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characteristics of thrombotic stroke include
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type most often signaled by TIA's
commonly occur during or after sleep strong assoc w/hypertension |
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characteristics of embolic stroke include
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onset unrelated to activity
quick onset & resolution assoc w/endocardial disorders |
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characteristics of intracerebral hemorrhage
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rupture of atherosclerotic vessels
carries poorest prognosis creates mass that compresses brain |
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characteristics of subarachnoid hemorrhage
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most common sudden death
symptoms of meningeal irritation caused by rupture of intracranial aneurysm worst headache of life |
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Right brain damage
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paralyzed left side
left-sided neglect spatial-perceptual deficits tends to deny or minimize problems rapid performance, short attention span impulsive, safety problems impaired judgment impaired time concepts |
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Left brain damage
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paralyzed right side
impaired speech/language aphasias impaired left/right discriminations slow performance, cautious aware of deficits, depression, anxiety imapired comprehension RT language, math |
