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chapter24
Seizures and Epilepsy
18
Medical
Professional
09/30/2011

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Term
Simple Partial Seizures
Definition
*NO loss of consciousness*

Motor, sensory, autonomic, cognitive features

No impairment of awareness

Less than 1 minute
Term
Complex Partial seizures
Definition
*NO loss of consciousness*

Impaired awareness and blank stare

May begin with an aura

1-2 minutes
Term
Absence "petit mal" Seizures
Definition
- Primarily generalized
- last 10-15 seconds
- recur daily, sometimes>100/day
- no warning signs
- childhood onset
Term
Partial seizures (both complex and simple) have this in common
Definition
NO affect on consciousness

Difference between the two:
Simple has no aura, Complex may. Complex has impaired awareness and blank stare
Term
Tonic-Clonic Seizures "Grand mal"
Definition
- Impaired consciousness
- 1-2 minutes
- confusion
- headache
- Partial seizures can progress to these
Term
Atonic Seizures
Definition
- loss of consciousness & muscle tone
- no other motor features
- Return to awareness within seconds
- occur in significant intellectual disability
- usually child onset
Term
Myoclonic Seizures
Definition
Myoclonic seizures

- Very brief "shock-like" jerks
Term
Non-Pharm choices vs. Seizures
Definition
Avoid Sleep deprivation
Minimize alcohol
Avoid cocaine or amphetamines
Maybe Yoga or meditation
Term
First choice therapies for Tonic-Clonic Seizures
Definition
CVLP!
Carbamazepine
Lamotrigine
Phenytoin
Valproic AcidDivalproex
Term
Managing AED's dosing in patients who are unresponsive to therapy. General principles in AED management
Definition
1) Start with an AED, and titrate up the dose until seizure control is adequate
2) If Max dose is reached and inadequate control is established initiate a new AED at a low dose and titrate up, as you titrate down the dose of the previous AED
3) Use of multiple drugs is reserved for failure of 2-3 AEDs monotherapy
Term
Absence seizure therapy
Definition
Ethosuximide
Term
Myoclonic Seizure or Atonic Seizure therapy
Definition
Valproic Acid/Divalproex
Term
Any Partial Seizure (with or without progression to generalized)
Definition
CLLP

Phenytoin
Lamotrigine
Levetiracetam
Carbamazepine
Term
What factors increase risk for recurrence following the first seizure?
Definition
1) Unclear, remote cause
2) Focally originating seizure
3) Abnormal neurological exam
4) Abnormal EEG
Term
What AEDs can reduce the effectiveness of oral contraceptions?

Recommendations concerning contraception when taking AEDs?
Definition
CPPPOT
Carbamazepine, Phenytoin, Primidone, and Phenobarbital, Oxcarbazepine, topiramate

Recommend other contraceptives such as IUD, progestin depots, injection formulations. Also recommend combining with barrier methods
Term
AED's during pregnancy - important points
Definition
1) monitor AED levels as in pregnancy they might drop due to increased clearance

2) Do NOT switch AED therapy during pregnancy as congenital malformations are highest in the first trimester. Switching will only subject the fetus to multiple AEDs
3) Always take folic acid to reduce risk of congenital malformations
Term
Define Convulsive Status Epilipticus

How long does a tonic clonic seizure usually last? At what point should it be treated aggressively as it is likely to progress to SE?
Definition
SE - Seizure involving loss of consciousness lasting longer than 30 minutes

A tonic-clonic seizure usually lasts 1-2 minutes. A tonic-clonic seizure lasting longer than 5 minutes will likely progress to SE.
Term
General Safety measure for Seizure/Epilepsy patients
Definition
- Discourage smoking to avoid burns
- Place pots/pans on back burners to avoid burns
- Shower, not bathe to avoid drowning
- Assess driving status
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