10 22 2014 Seizures

Question 1

What would you see if seizure was localized to medial vs. lateral temporal lobe

Answer 1

medial: staring, posturing, automatisms, postureing, fear

Lateral: vertigo

Question 2

Frontal Localization of seizure

• dorsolateral?
• SMA
• Orbitofrontal

Answer 2

brief, bizarre, nocturnal

• contralateral vision loss
• fencing, posture
• elaborate, sounds, smell

Question 3

What kinds of seizures would you see coming from the parietal lobe?

Answer 3

Sensory – sights, smells, taste, sounds

Question 4

What kinds of seizures would you see with seizures coming from occipital

Answer 4

form visual phenomena

Question 5

EEG pattern:

3 Hz spike and wave

Answer 5

Absence Seizures

Question 6

EEG pattern:

General spike and wave or polyspike and wave

Answer 6

Primary Generalized Seizures; Primary genralized epilepsy (polyspike wave)

Question 7

EEG:

Slow spike and Wave

Answer 7

Lennox- Gastaut Syndrome

• 2-6yrs of age
• frequent seizures and different types of seizures
• developmental delays

Question 8

EEG:

high amplitude and irregular waves
Background is chaotic and disorganized
- non-interpretable EEG
-Quiets down for a few seconds

Answer 8

Hypsarrhythia: abnormal interictal pattern

Question 9

EEG:

Rapid spike wave (> 3.5hz); polyspike wave

Answer 9

Juvenile Myoclonic epilepsy

• ION CHANNELS (idiopathic) (aka genetic)
• 12-18 years of age
• involuntary twitching of muscle or group of muscles.
• Tonic- clonic (grand mal) seizure

Question 10

EEG:

abnormalities in only on one side of the brain.
Waves look as if making an X.

Answer 10

Focal sharp and wave

Question 11

EEG:

Spike on one lead is facing the spike o f another in a specific area of the brain.

Answer 11

Focal Spike and Wave

Question 12

Type of simple partial seizures?

Answer 12

• motor
• sensory
• psychic
• autonomic

NO LOSS OF CONSCIOUSNESS
-may also give a warning sign : smell, aura

Question 13

Types of complex partial seizures

Answer 13

Impaired consciousness

• usually medial temporal lobe.
• usually lasts 1-2 minutes
• looks like day-dreaming/ staring
• Automatisms: move their mouth, pick at the air or their clothing, or perform other purposeless actions

Question 14

Types of primary seizures

Answer 14

Tonic
Tonic-Clonic
Myoclonic
Absence (petit Mal)
    -lapses of awareness, sometimes staring
Atonic  -- drop seizure (fall to ground)