Neurology Flashcards
(13 cards)
What are the key features of a tonic-clonic seizure?
Loss of consciousness
Tonic (muscle tensing)
Clonic (muscle jerking)
Prolonged post-ictal period (confused, drowsy, irritable, low)
What is first line treatment for tonic-clonic seizures?
Sodium valproate
2nd - lamotrigine / carbamazepine
What do focal seizures effect?
Hearing, speech, memory and emotions - this is because they start in the temporal lobes.
How can a focal seizure present?
Hallucinations, deja vu, memory flashbacks, feeling like you’re in autopilot.
What is the treatment for focal seizures?
- Lamotrigine / Carb
2. Sodium valproate
What syndrome is associated with atonic seizures?
Lennox-Gastaut Syndrome (epilepsy syndrome with really abnormal EEGs)
How is infantile spasms (West Syndrome) classified?
Starting around 6 months
Cluster of full body spasms
What are the treatment options for West Syndrome?
Prednisolone
Vigabatrin
How does Sodium valporate work?
What are some side effects of it?
Increasing the activity of GABA.
Teratogenic
Hair loss
Tremor
Liver damage and hepatitis
What side effects are associated with carbamazepine?
Agranulocytosis
Aplastic anaemia
P450 system drug interactions
What side effects are associated with lamotrigine?
Stevens-Johnson syndrome - life threatening rash
What is the classification of Status Epilepticus?
> 5 minutes
> 3 seizures in one hour
How do you manage S.E?
Secure airway
High [O2]
Assess cardiac + resp function
Check blood glucose levels
Gain IV access
IV lorazepam - repeat after 10 minutes if seizure continues.
If still continuing give IV phenobarbital or phenytoin.
(if in community use buccal midazolam or rectal diazepam).