NUR 405 Week 8
- What is a seizure
Answer
- abnormal surge of electrical activity in the brain due to chemical changes in nerve cells
- too much or too little brain activity (excitatory or inhibitory)
- Pathophysiology of seizures
Answer
- electrical disturbance in nerve cells of a section of a brain
- abnormal recurring uncontrolled electrical discharges
- changes in LOC, motor movement and tone, behavior
- Excitatory and inhibitory neurons
Answer
- GABA (inhibitory) and glutamine (excitatory)
- Causes of seizures
Answer
- hypoxia
- hypoperfusion
- fever 1 / 3
- hypoglycemia
- severe HTN
- drug/alcohol withdrawal
- Causes of seizures (CNS conditions)
Answer
- infections CNS
- metabolic and toxic conditions
- brain tumor
- allergies
- epilepsies
- Epilepsy is caused by
Answer
- congenital
- head injury
- stroke
- Clinical manifestations
Answer
- range from generalized absence seizures to pro- longed convulsive movements with LOC
- Prodromal
Answer
- occurs before seizure 2 / 3
- can be days to weeks before seizure
- depression/anxiety
- outbursts of anger
- sleep disturbances
- Aura
Answer
- occurs at the very beginning of seizure
- before activity
- strange taste in mouth
- deja vu
- visual/auditory hallucinations
- headache
- few minutes
- Ictus
Answer
- seizure
- physical part
- typically lasts 1-3 minutes
- usually resolves on its own
- post-ictus
Answer
- recovery period
- types of epilepsy
- / 3