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what is a convulsion?
sudden, involuntary contraction of the muscles of the body, often accompanied by loss of consciousness.
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What is a seizure?
periodic disturbances of the brain's electrical activity.
Classified as partial (focal) or generalized
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What is epilepsy?
a permanent, recurrent seizure disorder.
Path/eti= brain injury @ birth, head injuries, and inborn errors of metabolism.
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What are partial seizures?
- the most common type of epileptic seizure
- arise from localized area in the brain
- Can spread 2 the entire brain & cause a generalized seizure
- Examples - simple(just stare), Jacksonian (stiffining), Psychomotor(jerking)
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What are motor seizures?
with uncontrolled stiffening or jerking in one part of the body such as the finger, mouth, hand, or foot that may progress 2 the entire limb.
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What is a somatosensory seizure?
a chang in taste or speech
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What are generalized seizures?
- Include absence, mycolonic, & tonic (contraction) and clonic (relaxation) of muscles
- Loss of consciousness
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What is myoclonic seizures?
involve sudden, forceful contractions of single or multiple groups of muscles.
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What is status epilecticus?
- An emergency
- characterized by continual seizure activity w/ no interruption
- May result from abrupt discontinuation of medication
- Diazepam most often inital treatment
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What is the general action of an anticonvulsant?
reduce the excitability of brain neurons
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What are the uses?
- Prophylactically (head trauma, tumor in brain)
- Seizures of all types
- Neuropathic pain
- Bipolar disorders
- Anxiety disorders
- Status Epilepticus
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What are adverse reactions?
- Drowsiness, weakness, dizziness
- Headache, somnolence
- Nystagmus (crossed eyes)
- Ataxia
- Slurred speech
- Nausea, vomiting, anorexia, constipation, diarrhea
- Gingival hyperplasia (stomatitis)
- Pancytopenia (blood levels decreased anemia)
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What are barbiturates?
- Example -----phenobarbital
- Used for status epilpticus, focal seizure,& tonic-clonic seizures
- A/R = bradycardia, hypoventilation, skin rash
Remember! This is a sedative/hypnotic
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What is Benzodiazepines?
- Examples---clonazepam, diazepam, lorazepam
- A/R =---sedation, anorexia, constipation, diarrhea, dry mouth, visual disturbances, aplastic anemia
- SHORTER ACTING
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What are Hydatoins?
- Examples---phenytoin (DILANTIN)
- Most commonly prescribed anticonvulsant
- A/R =
- nystagmus, ataxia, slurred speech, mental changes, rashes, nausea, vomiting, gingival hyperplasia, hematologic changes, hepatoxicity
MONITOR DILANTIN TOXICITY
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What are s/s of Dilantin toxicity
- S/S include:
- Rapid eye movement
- Slurred speech or difficulty speaking
- Lethargy
- Problems w/ coordination or balance
- Dizziness
- Drowsiness
- Unusual body movements or shakiness
- Nurse=
- Teach client monitor Dilantin levels monthly & CBC
- Normal levels 10-20mcg per mL
- Above 20mcg = NYSTAGMUS (crossed eyes) CALL DR
- Above 30mcg= Mental changes, Ataxia (gait off)
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What are Oxaolidmediones?
Given 4 Epilepsy. Example- Trimethadione
dizziness - personality changes
- increased irritability
- headache
- fatigue
- nausea / vomiting
- PHOTOSENSITIVITY
- VISUAL CHANGES
NURSE= TELL DON'T DRIVE WHEN TAKING AND WEAR SUNSCREEN OR PROTECTIVE CLOTHING
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What are Succinimides?
Example ETHOSUXIMIDE
- A/R:
- GASTROINTESTINAL DISTURBANCES
Mental confusion - pruitus
- urticaria
- urinary frequency
- weight loss
- hematologic changes
- SKIN RASH
NURSE= TELL CLIENTS 2 TAKE WITH FOOD 2 PREVENT GI UPSET
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What are Carboxylic Acid Derivatives?
example DEPAKOTE Used 4 Epilepsy, Mania, Migraines
Irritates anything it touches - Nausea/Vomiting
- Stephen Johnson syndrome
NURSE= TELL CLIENT DONT CHEW SWALLOW WHOLE MIX W/ PUDDING. MAIN GOAL PREVENT MOUTH SORES
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What are Misc. Anticonvulsants?
- NEUROTIN
- UNRELATED 2 OTHER ANTICONVULSANTS
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What is a general assessment of seizure activity?
- Description of seizure (motor and psych activity)
- Frequency of the seizures (how many per day)
- Average length of time of a seizure
- Description of aura
- Description of degree of impairment of conciousness
- Description of what, if anything appears 2 bring on seizure
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Nurse duties on anticonvulsants
- DON'T STICK ANYTHING IN CLIENT'S MOUTH WHILE HAVING SEIZURE
- TAKE V/S RIGHT AFTER SEIZURES
- DON'T STOP TAKING ANTICONVULSANTS ABRUPTLY OR SKIP MEDS
- DON'T DRINK ALCOHOL
- WEAR MEDICAL BRACELET
- DON'T SKIP APPTS. 2 MONITOR TOX LEVELS
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When taking anticonvulsants and a dose is skipped what might happen?
recurrence of seizures so make sure u teach them 2 not skip doses!!
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