Seizures and Syncope Flashcards
What are the 2 major causes of episodic loss of consciousness?
- seizures: characterized by TEMPORARY neurologic signs/symptoms d/t abnormal neuronal activity in cerebral cortex
- Syncope (drop attack): d/t reduced blood supply to cerebral hemispheres/brainstem
What is the diagnostic approach for seizures or syncope?
rule out serious conditions causing episodes
Establish number of spells, similarity or dissimilarity
Seizures are disorders characterized by
transient disturbance of cerebral function Caused by Excessive or Over synchronized cerebral neuronal discharges
What is the etiology of epilepsy seizures?
prim neurologic disorder
metabolic derangement
Benign febrile seizures occur in children typically with a fever at what age? The episode last how long?
3 months to 5 yrs old
less than 15 min
Benign febrile seizures mc when?
1 day of febrile illness usually w/fever
What percentage of children experienced benign febrile seizures? What is an aka for benign febrile seizures?
a. 66
b. primary neurological disorders
75 percent of all seizure disorders is what type with an onset of 5 to 25 yrs old?
idiopathic epilepsy
Which of the following is not a primary neurological disorder?
a. benign febrile seizures
b. idiopathic epilepsy
c. Head Trauma
d. Stroke
e. Hypoglycemia
e. Hypoglycemia
Which of the following is not a metabolic disorder?
a. hypoglycemia
b. hyponatremia
c. hypocalcemia
d. Hypothyroidism
d. Hypothyroidism
Primary neurological disorders are common if associated with what kind of head trauma 1 wk after injury?
perinatural injury 28 wks to 28 days
intracerebral/subdural hematoma
Which type of seizure is associated w/arterial venous malformations?
strokes
What condition occurs with an infarction or intracerebral hemorrhage (less likely to survive)?
Stroke
What metabolic disorder can cause drop attacks and what are the levels of glucose?
Hypoglycemia: levels of 20-30 ng/dl
Metabolic hyponatremia levels can cause a seizure if below what?
120 meg/l