EEG Findings

Question 1

EEG finding seen in Creutzfield dx

Answer 1

90% have generalized periodic sharp waves

Question 2

classic seizure presentation and EEG

Answer 2

EEG = epileptic discharge
tonic-clonic of arms and legs
drowsy and confused after

Question 3

EEG in Hepatic encephalopathy w/ dec coord and writing

Answer 3

Triphasic waves (generalized synchronous waves in brief runs)

HALF of pt w/ Triphasic EEG waves –> hepatic encephalopathy

Question 4

EEG in electrolyte induced diffuse encephalopathy

Answer 4

diffuse slowing of background rhytyhms
seen in electrolyte disturbance
look for acute change in personality, trouble concentrating, and lethargy

Question 5

EEG in stroke

Answer 5

periodic lateralizing epileptiform discharge

Question 6

marijuana EEG changes

Answer 6

frontal brain has INCR alpha activity

rest of brain has overall slow alpha activity

Question 7

Heroin/Opiate EEG changes

Answer 7

DECR alpha activity

INCR delta and theta

Question 8

Caffeine withdrawal EEG

Answer 8

overall increased AMPLITUDE of theta waves

Question 9

Nicotine withdrawal EEG

Answer 9

marked DECR in alpha waves

Question 10

Barbituate WITHDRAWAL sx

Answer 10

hyperthermia
hypertension
hypercardia - (tachycardia)
tremors
hallucinations
HYPERReflexia

Question 11

Barbituate withdrawal EEG

Answer 11

Generalized paroxysmal activity and spike discharge