Epilepsy and seizures Flashcards
EEG features of absence seizures
3Hz spike-and-wave
Lasting around 10 secs
Absent seizures can be triggered by…
Hyperventilation
Adverse effects of carbamazepine
SIADH
Teratogenic (NTD)
Diplopia
P450 inducer
Serious/ rare
- Steven Johnson syndrome
- DRESS syndrome
- Agranulocytosis
- Folate deficiency
- Hepatitis
Adverse effects of phenytoin
Hirsutisim
Gingival hyperplasia
Agranulocytosis
P450 inducer
Osteoporosis
Rash
Serious/ rare
- Steven Johnson syndrome
- DRESS syndrome
Adverse effects of Valproate
Teratogenic (NTD)
Thrombocytopenia
Weight gain
Alopecia
Serious/ rare
- Pancreatitis
- Hepatitis
What anti-epleptic is most likely to cause psyhcosis
Levetiracetam
What anti-epileptic is associated with hirsuitism, osteoporosis and a rash
Phenytoin
What anti-epileptic is associated with hepatotoxicity, SIADH and agranulocytosis
Carbamazepine
What anti-epileptic is associated with thrombocytopenia, pancreatitis and alopecia
Valproate
What type of epilepsy is characterised by B/L polyspike and slow wave on EEG?
Myoclonic epilepsy
First line treatment for narrow focal seizures
1st- lamotrigine
Carbamazepine
Phenobarbital (kids)
Phenytoin
Keppra
Oxcarbazepine
2nd line-
Gabapentin
Pregabalin
Valproate
Topiramte
Acute complications of seizures
- Hyperthermia causing CNS damage
- Cardioresp deficity
Acute management of seizures
1st line- IV/ IM benzo
- Lorazepam
- Diazepam
- IM midazolam
Intranasal/ buccal midazolam
Rectal Diazepam
2nd line/ status epilepticus
- Fosphenytoin
- Valproate
- Keppra
3rd line
- Phenobarbital
Long-term complications of seizures
Psychiatric- depression, anxiety, psychosis
Sleep disorders
Sudden unexpected death in epilepsy
Causes of provoked/ acute symptomatic seizure
Intracranial lesion
- SDH
- CNS infection
- Stroke
Intracranial surgery
Anoxic encephalopathy
TBI
Metabolic disturbance
Drug/ alcohol withdrawal
MS/ autoimmune