Epilepsy Flashcards
What is epilepsy?
Tendency to have seizures due to abnormal electrical activity in the brain
What are the features of tonic-clonic seizures?
Loss of consciousness
Muscle jerking (clonic)
Muscle tensing (tonic)
Tongue biting
Incontinence
Which phase usually comes first in a tonic-clonic seizure?
Tonic phase
What is the first line treatment of tonic-clonic seizures?
Sodium valproate for males
Lamotrigine or levetiracetam for females
What is the second line treatment of tonic-clonic seizures?
Lamotrigine or carbamezapine
How does an absence seizure present?
Usually children
Stare into space for a few seconds
Abruptly returns to normal
Lasts around 20 seconds
What is the first line management of absence seizures?
Ethosuximide
When is sodium valproate contraindicated?
In females of fertile age
What are the side effects of sodium valproate?
Teratogenic
Liver damage
Hair loss
Tremor
Weight gain
Oedema
Ataxia
What is the first line medication for focal seizures?
Lamotrigine or leveteracitam
What is the second line medication for focal seizures?
Carbamezapine
What are the features of a frontal focal seizure?
Jacksonian features - numbness of tingling starts isolated, and then moves to the other limbs on the same side of the body
Dysphasia
Todd’s paresis
What is Todd’s paresis?
When a seizure is followed by a brief period of paralysis
What are the features of a temporal lobe focal seizure?
Deja vu
Lip smacking
Emotional disturbance - sudden onset of fear
Hallucinations - auditory, gustatory or olfactory
What are the features of a parietal lobe focal seizure?
Sensory symptoms - tingling and numbness
Motor symptoms - from spread of seizure into pre-frontal gyrus where motor cortex is