Epilepsy Flashcards
(47 cards)
What is epilepsy?
Umbrella term for condtion when there is a tendency to have seizures
What are seixures?
Abnormal electrical activity in brain
What is a generalised tonic-clonic seizures?
Loss of consciousness and tonic (muscle tensing) and clonic (muscle jerking) movements
What can be ass with a generalised tonic clonic seizure?
Tongue biting, incontinence, goraning, irregular breathing
What happens after a seizure?
Post ictal period
What happens in the post ictal period?
Confused, drowsy, feels irritable or low
Where do focal seizures start in the brain?
Temporal lobes
Tonic clonic vs focal seizure treat
Swap first and second line
1st - sodium valproate or levetriacetam
2nd - carbamazepine or lmaotrigine
How can focal seizures present?
- Hallucinations
- Memory flashbacks
- Déjà vu
- Doing strange things on autopilot
How long do absence seizures normally last?
10-20s
What can atonic seizures be indicative of?
Lennox-Gastaut syndrome
What is lennox-gastaut syndrome
‘epileptic and developmental encephalopathy’ because the epileptic seizures and the abnormal EEG are thought to be important in these childrens’ developmental delay and learning difficulties.
v severe
4 years
What is an atonic seizure?
Brief lapses in muscle tone
What do myoclonic seizures occur in children as a part of?
Juvenile myoclonic epilepsy
What is West syndrome?
Infantile spasms starting at around 6 months characterised by clusters of full body spasms
Prognosis of West syndrome
1/3 die by 25
1/3 seizure free
First line treatments for West syndomre
Preednisolone
Vigabatrin
What are febrile seizures caused by?
Fever
What age children do febrile seizures occur in?
6 months to 5 years
Outcome of febrile convjulsions
Good
1/3 will have another
Slight increased chance of developing epilepsy
Investigation for epilepsy
EEG - electroecnephalogram
When to use an EEG to investigate epilepsy?
After the second simple-tonic clonic seizure
When is an MRI considered for investigatiing seizures?
Child under 2 years when has first seizure
Focal seizures
No response to first line anti-epileptic medications
What additional investigations except brain imaging can be used to rule out seizure causes?
ECG
Blood electrolytes - Na, K, Ca, Mg
Blood glucose - hypo/diabetes
Blood cultures, urine cultures and lumbar puncture - sepsis, encephalitis or meningitis