Seizures

Question 1

What are seizures

Answer 1

brief episode of abnormal electriacl activity in nerve cells of the brain
- can involve motor, sensory or cognitive manifestations

Question 2

what are convulsions

Answer 2

more severe seizure characterized by involuntary spasmodic contractions of muscles

Question 3

what is seizure disease

Answer 3

Epilepsy - chronic, recurrent pattern of seizures

Question 4

what is myoclonic

Answer 4

Brief shock like jerks of a muscle or group of muscles

Question 5

Seizure patho focus

Answer 5

1. Group of abnormal neurons that spontaneously fire
2. often area is found to have scar tissue
3. seizure focus functions autonomously
4. emits excessive paroxysmal electrical discharges
5. can recruit other neurons to discharge or spread
6. spread can be local or global

Question 6

describe etiology of seizures

Answer 6

Primary (idiopathic) 50% of cases
Secondary - chemical imbalance (blood sugar, drugs)
Febrile - most common in children

Question 7

What brain issues can cause seizuers

Answer 7

TBI
stroke
meningitis
tumors