• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/48

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

48 Cards in this Set

  • Front
  • Back
what are the excitatory neurotransmitters?
acetylcholine, norephiephrine, histamine, corticotropin releasing factor, glutamate (NMDA receptor)
what are the inhibitory neurotransmitters
GABA, dopamine
what is the patho of seizures
change in membrane fcn, decreased inhibition (excess neuronal firing), increased excitement (mediated by glutamate at the NDMA receptor), alterations in extracellualr ion concentration
what are some mechanical causes of seizures?
trauma, birth injury, neoplasm
what are some metabolic causes of seizures?
electrolyte imbalance(sodium), dehydration, hypoglycemia
what are some drug withdrawal causes of seizures?
etoh, benzos, barbiturates, antiepileptics
what are some drug administration causes of seizures?
clozapine, clomipromine, theophylline
what toxins can cause seizures?
fever, infections
what are partial seizures
local or focal affecting 1 hemisphere of the brain
what are simple partial seizures?
no impairment of consciousness; motor, visual, auditory, olfactory, sweating, flushing pallor, gagging
what are complex partial seizures?
impairment of consciousness; aura; olfactory, visual, auditory); behavior includes picking at clothes, lip smacking, repetitive phrases, running
what are the characteristics of tonic-clonic seizures?
grand mal, preceded by and aura, muscle rigidity (tonic), rhythmic jerking (clonic), 30 sec-3 min, loss of bowel/bladder, cry out, bite tongue, post ictus=confusion and lethargy
what are the characteristics of absence seizures?
petit mal, sudden interruption of ongoing activities, blank stare, EEG shows 2-4 cycles/spike
what are the characteristics of atonic seizures?
akinetic, loss of muscle tone, falling to floor, drop attacks
What are the characteristics of myoclonic seizures?
brief, shock-like muscle contractions of face/trunk/extremities
what are the characteristics of status epilepticus?
emergency, >30 min, 2 or more without full consciousness in between
how is status epilepticus treated?
diazepam iv and repeat after 5-10 min if not stop, lorazepam iv, repeat after 5-10 min if not stop, fosphenytoin or phenobarbital given for prolonged control of seizure
what med is given for intractable staus epilepticus?
barbiturates
what are some non-pharm treatments of seizures?
ketogenic diet(high fat, low carb/protein)
what are some s/e's of a ketogenic diet
diarrhea, increased lipids, protein deficiency, hypoglycemia
when to start of AED's
2 or more seizures, impacts life
when to stop AED's
seizure free for 2-5 yrs, EEG normalized, normal neuro exam/IQ
adverse effects of carbamazepine Tegretol
diplopia, nausea, drowsiness, sedation
adverse effects of ethosuximide (zarontin)
nausea, leukopenia
adverse effects of felbamate (felbatol)
aplastic anemia, hepatic failure
adverse effects of gabapentin (neurontin)
drowsiness, sedation, weight gain
adverse effects of lamotrigine (lamictal)
insomnia, ataxia, rash, ha
adverse effects of levetiracetam (keppra)
somnolene, dizziness, rash, ha
adverse effects of oxcarbazepine (trileptal)
somnolence, dizziness, diplopia
adverse effects of phenobarbital
sedation, drowsiness, ataxia
adverse rxns of phenytoin (dilantin)
sedation, gingival hyperplasia
adverse rxns of tiagabine (gabitril)
dizziness, somnolence, irritabiltiy
adverse rxns of topiramate (topamax)
slowed thinking, weight loss
adverse rxns with valproate (depakote)
tremor, drowsiness, hepatotoxicity
adverse rxns with zonisamide (zonegran)
somnolence, rash, psychosis
drug of choice for partial seizures (simple and complex)
phenytoin, carbamazepine, valproate
drug of choice for gerneralized tonic-clonic seizures
phenytoin, valproate
drug of choice for absence seizures
valproate, ethosuximide
drug of choice for myoclonic seizures
valproate
drug of choice for atonic seizures
valproate
what is the safest way to reduce teratogenicity in pregnant women taking seizure medication?
monotherapy (tiagabine is safest) but most are category C
safety concern with carbamazepine
hyponatremia
safety concern with lamotrigine
steven johnson's syndrome
safety concern with felbamate
liver tox, bone marrow suppression
safety concern with phenytoin
gingival hyperplasia
safety concern with topiramate
language dysfunction, behavioral changes secondary to cognitive effects
when is phenytoin indicated vs fosphenytoin
for complex partial seizures, generalized tonic clonic seizures and neuropathic pain
characteristics of phenytoin
highly variable, 90-95% protein bound, saturable oxidative process, half life 7-42 hrs, cbc with diff then q 6-12 months after, albumin, lfts, and calcium levels