Exam (elaborations)
NSC 484 Stroke Questions And Answers Latest Update
- Course
- NSG 484
- Institution
- University Of Illinois - Chicago
NSC 484 Stroke Questions And Answers Latest Update
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Solution 2024/2025Pepper
NSC 484 Stroke Questions And Answers Latest
Update
What is a stroke? ANS✔✔ Either ischemia or hemorrhage into the brain
Results in the death of brain cells
Functional loos depends on area and extents
Requires immediate medical attention
What is the etiology of stroke? ANS✔✔ More common in women
5th leading cause of death in US
What are risk factors for stroke? ANS✔✔ Increased age
Ethnicity - African Americans
Family history
CVD
Diabetes
Smoking
What are the 2 major arteries supplying the brain? ANS✔✔ Internal carotid
arteries - anterior circulation
Vertebral arteries?
How much cardiac output does the brain require? ANS✔✔ About 20% for
optimal functioning
, Solution 2024/2025
Pepper
What are factors that affect blood supply to the brain? ANS✔✔ Systemic BP -
not enough perfusion pressure to supply blood to brain
Cardiac output
Blood viscosity - thicker blood/higher viscosity makes perfusion harder
Collateral circulation - good circulation increases odds of surviving a stroke
(circle of Willis)
Increased ICP - to much pressure decreases perfusion, impacts Monroe-
Kellie hypothesis
What is the importance of collateral circulation? ANS✔✔ Increases the odds
of surviving a stroke
They can maintain blood flow and circulation around the clot
What is the BEFAST acronym? ANS✔✔ Balance - loss of balance, headache,
dizziness
Eyes - blurred vision
Face - one side of face is drooping
Arms - arm or leg weakness
Speech - speech difficulty
Time - time to call for ambulance immediately
What is a transient ischemic attack (TIA)? ANS✔✔ Transient ischemia
without infarction - lack of blood flow/oxygen but without cell death
Risk factor for stroke and considered a medical emergency
Symptoms usually last less than 24 hours, typically result of atherosclerosis
and stenosis of vessels in brain
, Solution 2024/2025
Pepper
What is guidance for TIA symptoms? ANS✔✔ DO NOT IGNORE - can lead to a
stroke
Seek immediate treatment - cannot verify if stroke or TIA
What is the primary goal for a TIA? ANS✔✔ Prevention of stroke
Prevent with diet and exercise, weight loss, BP control
If underlying atrial fibrillation, want anticoagulation, rate, rhythm control
Anti-platelet meds
How is atrial fibrillation a risk factor for stroke? ANS✔✔ There is blood stasis
in the atrium that causes clots to form
Most common chronic dysrhythmias
What are surgical interventions for a TIA? ANS✔✔ Carotid endarterectomy
Transluminal angioplasty (with possible stent placement)
What is carotid endarterectomy? ANS✔✔ Surgeon removes plaque and
reconnects artery
Better blood flow once removed
What is nursing care for carotid endarterectomy? ANS✔✔ Neuro checks q15
minutes 1st hour then q1h - carotid supplies blood flow to brain
Ensure MAP high enough to perfume brain - recommended systolic 100-150
Check incision line for infection
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