Epilepsy Flashcards
Causes of epilepsy
- Idiopathic
- Congenital
- Acquired
- Non-epileptic/provoked: Withdrawal, metabolic, raised ICP, infection
Prodrome of a seizure
Change in mood or behaviour lasting hours/days
Not part of seizure
Aura of a seizure
Simple partial seizure (usually temporal) which may precede other manifestations
Epigastric rising, Deja/Jamais vu, Automatisms, Smells, Lights etc
Partial/Focal seizure
Only one hemisphere
Primary generalised seizure
No aura/warning
Affects whole cortex not one hemisphere
Simple seizure
Awareness unimpaired
Complex seizure
Awareness impaired
Secondary generalised seizure
Focal seizure –> generalised seizure
aura–>tonic-clonic
Epilepsy history
Aura Specific trigger (lights) Lateral tongue biting Tonic clonic movements Cyanosis Post-ictal phase
Simple partial seizure features
Focal motor, sensory, autonomic or psychic symptoms
Complex partial seizure features
Aura
Autonomic: change in skin colour, temp, palpitations
Awareness lost
Automatisms: lip smacking, fumbling, swallowing
Amnesia
Absence seizure features
(Petit mal) ABrupt onset/offset Short <10s Eyes glazed, blank stare Normal intelligence, brain scan, examination Clonus or automatisms EEG 3Hz spike and wave Stimulated by hyperventilation and photics
Tonic Clonic seizure features
(Grand Mal) LOC Tonic: limbs stiffen Clonic: rhythmic jerking \+/- cyanosis, incontinence, tongue biting Post ictal confusion and drowsiness
Myoclonic seizure features
Sudden jerk of limbs, trunk or face
Atonic seizure features
Sudden loss of muscle tone –> fall
No LOC