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Seizures and Neuropathic Pain
ethosuximide, diazepam, valproate etc
9
Medical
Professional
04/27/2013

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Cards

Term
Phenytoin
Definition
Fast acting Na channel blocker
for #1 = tonic clonic/status epilepticus, complex partial

binds during action potentials via PRESYNAPTIC INHIBITION

nonlinear elminiation, bound therefore avoid valproic acid

`1. sulfa drug, teratogen, BONE LOSS
Term
Carbamazepine
Definition
Fast acting Na channel blocker
1. tonic clonic + bipolar + TRIGEMINAL NEURALGIA

autoinduces cyps

sulfa drug + ataxia + BONE LOSS
Term
Lamotrigine
Definition
Non-typical Na channel blocker
partial
dizzyness/aseptic meningitis +skin
Term
Valproic acid
Definition
Fast Na blocker, weak Ca blocker
absense, mixed, complex partial

best for complicated therapy
INCREASES FREE PHENYTOIN
teratogen,hepatoxic,nause
Term
Ethosuximide
Definition
T-type Ca2+ channel blockers
absense

gi distress, bone marrow fatique
Term
Gabapentin
Definition
Presynaptic Ca2 channel
partial

edema/weight gain
Term
pregabalin
Definition
presynaptic Ca2+ channel
partial
NEUROPATHIC PAIN!!!!

mild euphoria, edema/weight gain
Term
Levetiracetam
Definition
synaptic transmission modulator
for partial or generalized seizures (adjunct)

binds synaptic vesicle protein
Term
paroxysmal depolarizing shifts
Definition
slow long-lasting local depolarization that moves the neuron close to the threshold for Na channel activation
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