Seizures Flashcards
Phenytoin
Dilantin
Na+ channel
Treats partial seizers (and secondary)
SE: Gingival hyperplasia, coarsening of facial features, ataxia, hypersensitivity
Carbamazepine
Tegretol
Na+ channel
Treats Partial
SE: Hyponatremia, agranulocytosis, diplopia, hypersensitivity
Valproic acid
Depakote
Na+ channel GABA receptor
Treats partial, generalized, absence
SE: tremor, thrombocytopenia, weight gain, hair loss, hepatotoxicity, tremor, GI, accelerate osteoporosis, teratogen, PCOS
Phenobarbital
GABA receptor
For Partial, generalized seizures
SE: sedation
Ethosuximide
Zarontin
T-type CA channel
For absence seizures
GI symptoms
Gabapentin
Neurontin
for partial seizures
SE: Sedation, ataxia
Lamotrigine
Lamictal
For partial, generalized
SE: Rash, stevens-johnson syndrome
Topiramate
Topamax
Na+ channel,
For partial, generalized
SE: word-finding difficulty, renal stones, weight loss
Tiagabine
Gabitril
For partial
SE: Sedation
Levetiracetam
Keppra
For partial, generalized
SE: Insomnia, anxiety, irritability
special: low risk hypersensitivity, low drug drug interations with warfarin, Juvenile myoclonic epilepsy
Oxcarbazepine
Trileptal
Partial
Sedation, hyponatremia
Zonisamide
Zonegran
For partial, generazlied
SE: sedation, renal stones, weight loss
Periodic lateralizing discharges
Herpes encephalitis, focal brain lesions, nonketotic hyperglycemia, EtOH withdrawal, theophylline exposure.
Generalized periodic discharges
Anoxic brain injury, CJD, diffuse process
Stimulus Induced, Rhythmic, Periodic, or Ictal Discharges
critically ill
Burst supression
Anoxic encephalopathy or with medications (propofol, barbituates)
How to treat Status Epilepticus
Benzos (esp IV Lorazepam) then phenytoin
Jacksonian March
motor cortex
Sensory phenomena
parietal seizures
visual phenomena
occipital seizures
gustatory, olfactory, psychic phenomena, deja vu, jamais vu, depersonalization
temporal seizures
Lennox-Gastaut
asso with mental retardation,
Slow (1-2hx) spike and wave
TX: VPA, lamictal, felbamate
Benign Rolandic epilepsy
nocturnal preponderance
EEG: Centrotemporal spikes
TX: CBZ, sometimes none
Absence epilepsy
Hyperventilation as trigger
EEG: 3 hz spike and wave
TX: Ethosuximide, VPA