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45 Cards in this Set

  • Front
  • Back
most common cause of seizure in adults over 60?
Stroke

2nd: malignancy
Difference btw Primary and 2ndary seizure?
1: seizures recurring without consistent provocation or cause

2: response to certain toxic, metabolic, or environmental events
Difference btw generalized and partial seizures?
Gen: both cerebral hemispheres and is accompanied by LOSS OF CONSCIOUSNESS (grand mal or absence)

Partial: one cerebral hemisphere; consciousness either maintained (simple partial) or abnormal consciousness (complex partial)
difference btw simple and complex seizures
consciousness either maintained (simple)

abnormal consciousness (complex)
define status epilepticus
abnormal electrical activity for more than 5 minutes

can be any kind of seizure

unlikely to terminate spontaneously
Metabolic causes of seizure
Hypoglycemia
Hypo/hypernatermia
hypocalcemia
hypomagnesemia
renal failure
high anion gap acidosis
thyroid dz
given the following history or exam finding give the potential seizure red flag:

fever, HA, neck stifness
meningitis
abscess
febrile seizure
given the following history or exam finding give the potential seizure red flag:

alcohol, benzo or drug abuse
withdrawal seizure
given the following history or exam finding give the potential seizure red flag:

new onset
epiliepsy

brain mass
given the following history or exam finding give the potential seizure red flag:

vesicular rash
herpes encephalitits
given the following history or exam finding give the potential seizure red flag:

hypertension, tachycardia, piloerection
alcohol, benzo, or drug withdrawal
recurrent seizures without a return to consciousness is another definition for...
status epilepticus
leading cause of adult onset epilepsy in areas such as Latin America, Asia, Africa
Neurocysticercosis

arasitic disease of the nervous system

Neurocysticercosis can be acquired via fecal-oral contact with carriers of the adult tapeworm Taenia solium
prolonged tonic clonic seizures can lead to what MSK problem
posterior should dislocation
anisocoria suggests what?
impending herniation through the foramen magnum

(unequal pupils)
automatisms (repetitive actions such as lip smacking, swallowing, or chewing) are frequent in what kind of seizure?
complex partial
what is Todd's paralysis

if present what might it suggest
postictal paralysis

following seizure

weakenss of one extremity or complete hemiparesis

can last up to 24 hours

higher likelihood of underlying structural cause for seizure (look for a cause)
given the following signs/sx give the diagnosis:

usually brought on by anger, fear, frustation. Pallor or cyanotic spells, apnea or bradycardia

normal neuro exam
Breath-holding spells in infants

EEG during spells
given the following signs/sx give the diagnosis:

tongue deviation, torticollis, jerking random limb movements, lvl of consciousness usually maintained
Extrapyramidal reactions

look for specific meds
given the following signs/sx give the diagnosis:

shortness of breath followed by paresthesias, carpopedal spasm and LOC

increased respiratory rate, normal neuro exam
Hyperventillation syndrome
given the following signs/sx give the diagnosis:

may closely mimic sx of true seizure, often in the setting of emotional distress

usually quick return to normal mental status post event
Psychogenic seizures

continuous EEG monitoring during events
given the following signs/sx give the diagnosis:

sudden onset of weakness, difficulty speaking, or walking

abnormal neuro findings
TIA/CVA

head CT, ECG, labs
given the following signs/sx give the diagnosis:

brief twitching movements; classic prodrome includes lightheadedness, tunnel vision

no post ictal state, no tongue biting
Vasovagal syncope

ECG, glucose testing
key electrolytes to look at in seizure pts?
Na
Ca
Mg
this procedure is indicated when a pt has a seizure and fails to reutrn to normal mental status
LP

look for SAH or Meningitis
given the following association with seizure, give the appropriate labs to order:

Neonatal seizure
Serum Glucose
Electrolytes
BUN
Cr
Mg
CT if age>1
given the following association with seizure, give the appropriate labs to order:

First-time seizure; mental status returning to baseline
glucose
Na
Ca
CT
given the following association with seizure, give the appropriate labs to order:

first-time seizure: mental status NOT returning to baseline
glucose
Na
Ca
CT

Consider: CBC, EtOH/tox screen, ABG/CarboxyHg, BUN/Cr, Mg, preg test, anticonvulsant lvls
given the following association with seizure, give the appropriate labs to order:

hx of alcoholism
glucose
Na
Ca
CT

Consider: CBC, EtOH/tox screen, ABG/CarboxyHg, BUN/Cr, Mg, preg test, anticonvulsant lvls
given the following association with seizure, give the appropriate labs to order:

known seizure disorder: MS not returning to normal or abnormal seizure pattern
glucose
Na
Ca
CT

Consider: CBC, EtOH/tox screen, ABG/CarboxyHg, BUN/Cr, Mg, preg test, anticonvulsant lvls
given the following association with seizure, give the appropriate labs to order:

known seizure disorder: MS status retuning to normal and normal seizure pattern
Anticonvulsant lvls

glucose
given the following association with seizure, give the appropriate labs to order:

Febrile Seizure
Glucose

Consider: fever work-up and LP
what imaging should be done in any first time seizure pt or person whos MS doesnt return to normal?
CT
what study should be ordered if a seizure is believed to be due to drug or toxin exposure (such as tricyclic antidepressant)
ECG
what must always be assumed in a pt who is in status epilepticus?
compromised airway

INTUBATE
3 easy to correct things that should be done immediately in a pt with seizure
hypoglycemia
hyponatremia
hypoxia
first line medication for terminating seizure activity?
IV or IM benzos
what can happen if you give phenytoin (2nd line anti-seizure in ED) too quickly
hypotension and cardiac dysrhythmias
hypoglycemia or ketonuria can cause what in kids
seizure
what can be used to help control seizures in pregnant ladys who arent ready to give birth (pre mature)
Mg Sulfate
abrupt loss of consciousness with the onset of seizures upon surfacing from SCUBA=
Cerebral arterial gas embolism (CAGE)

person holds breath, then pulmonary overinflation, tear of bronchoalveolar sheath, air enters the pulmonary venous system, return of air to left side of heart, systemic embolization of air bubbles

tx with hyperbaric O2
most common cause of recurrent primary seizures?
subtherapeutic anticonvulsant levels

often due to noncompliance
most common cause of secondary seiuzre?
hypoglycemia
when should an LP be given to a child with febrile seizure
clinical suspicion of CNS infection

history of recent abx use
pts who are intubated often stop actively seizing. What should be performed on them?
EEG

they may still be seizing at neuronal level