Seizures Flashcards
Hyperventilation brings out which type of seizure?
Absence seizures
The EEG of absence seizures shows what?
Spike and wave activity at 3 Hz
In what way are absence seizures different from complex partial seizures?
There is no post-ictal state with absence seizures.
What does EEG look like in juvenile myoclonic epilepsy?
Normal background with frequent generalized polyspike and wave discharges diffusely throught at 4-6Hz.
A 15yo teased by his family for being clumsy, myoclonic jerks upon wakening, might have…
Juvenile myoclonic epilepsy
Treatment for juvenile myoclonic epilepsy:
Depakote, or Keppra
Seizure triggered by sleep deprivation (teenager staying out all night):
Juvenile myoclonic epilepsy
Jacksonian March
Pattern of a seizure progressing up someone’s body (arm) before generalizing.
Simple partial seizure
Begins in a definitive area in the brain and does not affect consciousness. Motor, sensory, autonomic, psychiatric symptoms, often a sense of oerwhelming fear or depersonalization.
Complex partial seizure
Begins in a definitive area in the brain and does affect consciousness.
An aura is always a sign of a _____.
focal seizure
Primary generalized seizure
Affects the whole brain at the same time. Consciousness is lost. These include absence, atonic, tonic, and tonic-clonic seizures.
Secondarily generalized seizure
Affects a single area of teh brain initially, and then spreads to include the rest of the brain.
Todd’s paralysis
A focal neurological deficit, usually weakness, that persists for up to 24 hours after a seizure.
What is Landau-Kleffner syndrome?
Progressive aphasia in children, affecting both Broca’s and Wenicke’s areas. Onset usually between 3-7 years, epileptiform activity during non-REM sleep.
Characteristics of tuberous sclerosis:
cortical tubers, ash-leaf macules (hypopigmented lesion), GERD
What are infantile spasms and how are they treated?
Seizures associated with tuberous sclerosis, excess CRH that causes excess exitability. Treated with ACTH.
What is West Syndrome?
Occurs in infants, consists of triad of infantile spasms, pathognomonic EEG pattern called hypsarrhythmia, and mental retardation.
What is Lennox-Gastaut Syndrome?
Ages 2-6, difficult to control seizures, include tonic and atonic, atypical absence, and myoclonic seizures.
What is the most common epilepsy syndrome in children?
Benign rolandic epilepsy/Epilepsy with centrotemporal spikes. Nocturnal seizures and rarely needs treatment, remits by age 16.
What are gelastic seizures?
Neoplasm of the hypothalamus, characterized by laughing fits.
What are pseudoseizures?
Non-epileptic, characterized by different movements, lasting different amounts of time.
Which electrolyte abnormality is NOT associated with seizures?
Hypermagnesemia
NTDs in pregnancy are strongly associated with which anti-epileptic med?
Depakote