Medical EEG Terminology

Question 1

What does the term “astatic” mean

Answer 1

Sudden loss of erect posture without specifying the seizure type

Question 2

Epileptiform discharges that occur more than once per minute but less than once every ten seconds would quantify as: abundant, frequent, occassional, or rare?

Answer 2

Frequent

Question 3

What does BIRDS stand for?

Answer 3

Brief potentially Ictal rythmic discharges

Question 4

What is SUDEP?

Answer 4

Sudden Unexpected Death in Epilepsy

Question 5

What is the definition of an electrographic seizure?

Answer 5

epileptiform discharges averaging >2.5 Hz for > or equal to 10 seconds or any pattern with definite evolution lasting >/ equal to 10 seconds

Question 6

What is a Scotoma?

Answer 6

Small spot of vision loss

Question 7

What is the definition of “Marked” eeg asymmetry?

Answer 7

difference between hemispheres greater than 50% in amplitude or greater than 1 Hz in frequency

Question 8

Mirror Focus Phenomenon?

Answer 8

concept that an actively discharging epileptiform region may induce similar behavior in a homologous site.

Question 9

Epigastric Aura

Answer 9

rising sensation in the abdomen. Associated with temporal lobe seizures

Question 10

What do you call the ethical principle that a medical professional’s actions should promote good by having the welfare of the patient as a goal of any treatment?

Answer 10

Principle of Beneficence

Question 11

QEEG

Answer 11

Quantitatve EEG allows for visualization of up to several hours of EEG data in a single screen display. Trends detected based on amplitude, frequency, rhythmicity, and degree of asymmetry

Question 12

What are the coup and contrecoup head injuries?

Answer 12

Closed head injuries/whiplash. Coup is same side as impact, contrecoup is the contralteral side of injury