EEG Characteristics

Question 1

High amplitude spike and wave

Answer 1

Infantile Spasms

Question 2

Hypsarrhythmia

Answer 2

Infantile Spasms

Question 3

Slow spike and wave <2.5Hz and paroxysms of fast activity i.e.multifocal discharges with slow abnormal background

Answer 3

Lennox Gastaut

Question 4

Generalised spike and slow wave rate 3Hz

Answer 4

Childhood Absence Epilepsy

Question 5

Hyperventilation provoked

Answer 5

Childhood Absence Epilepsy

Question 6

Centrotemporal spikes

Answer 6

SeLECTS (self limited epilepsy centrotemporal spikes)/benign rolandic epilepsy

Question 7

Slow, generalised polyspike

Answer 7

Dravet’s Syndrome

Question 8

4-6Hz polyspike wave bursts, photic stimulation

Answer 8

Juvenile Myoclonic Epilepsy

Question 9

Unilateral or bilateral temporo-parietal or centrotemporal spike and waves which spread to generalised spike wave pattern and then continuous status epilepticus in sleep

Answer 9

Landau Kleffner Syndrome (epileptic aphasia, language regression ddx Autism)

Question 10

Burst suppression

Answer 10

Hypoxic brain injury

Question 11

Periodic lateralised epileptiform discharge

Answer 11

HSV encephalitis