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Flashcards in Seizures Deck (7)
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1

What is a seizure?

physical findings or changes in behavior that occur after an episode of abnormal electrical activity in the brain

2

What is the International League Against Epilepsy's classification for seizures?

general (those that originate within and rapidly engage bilaterally distributed networks - not necessarily the entire cortex), focal (originate in networks limited to one hemisphere), unknown (unclear what is the onset)

3

What is the classification for causes of seizures?

genetic (epilepsy is the direct result of a known or presumed genetic defect), structural/metabolic (congenital or acquired), unknown

4

What is an electroclinical syndrome?

a complex of clinical features, signs, and symptoms that together define a distinctive, recognizable clinical disorder (e.g. benign infantile epilepsy)

5

What are distinctive constellations in the setting of epilepsy?

less precise than electroclinical syndroms, but distinctive groups based on specific lesions or underlying causes (e.g., Rasmussen encephalitis)

6

What are focal seizures?

involve only a portion of the brain, may have impairment of consciousness or not, may involve visible manifestations (jerking of a limb, automatisms) or experiences perceived on by the patient (unpleasant odor, aura)

7

What are generalized seizures?

involve large parts of both hemispheres of the brain, nearly always impaired consciousness (e.g., tonic-clonic, absence, myoclonic)