II-E. Effects of medications on recordings Flashcards
A 25 year old female admitted with new onset psychosis was given 3 mg of Ativan prior to EEG recording. How would this medication affect the EEG?
A) Triphasic waves
B) Focal slowing
C) Increased beta activity
D) No change
Increased beta activity
Triphasic waves and/or periodic discharges can be present on an EEG due to the toxic effects of which of the following medications?
A) Phenytoin
B) Rocuronium
C) Levetiracetam
D) Lithium
Lithium
What is the most prominent clinical feature of Dilantin toxicity?
A) Postural tremor
B) Behavioral changes
C) Ataxia
D) Weakness
Ataxia
Which of the following drugs exhibits the most observable effect on the electroencephalogram?
A) Analgesics
B) Anticoagulants
C) Benzodiazepines
D) Diuretics
Benzodiazepines
ORDA is commonly seen in children with
A) Benign Rolandic Epilepsy
B) Febrile Seizures
C) Focal Seizures
D) Absence Seizures
Absence seizures
Which of the following medications would be expected to increase beta frequency activity?
A) Topamax (topirimate)
B) Imitrex (sumatryptan)
C) Paxil (paroxetine)
D) Xanax (alprazolam)
Xanax (alprazolam)
Excessive beta frequency may be the result of which of the following?
A) Chronic pain
B) Skull breach
C) Drug effect
D) Sleep deprivation
Drug effect
Phenobarbital
A) Burst-suppression
B) Generalized slowing
C) Beta activity
D) No changes
Beta activity
At therapeutic levels, phenytoin causes what kind of EEG findings?
A) Diffuse beta activity
B) Increased beta activity frontocentrally
C) No change
D) Minimal slowing of the background activity
No change
What is the most common cause of generalized beta?
A) Hyperventilation
B) Burr holes
C) Medications
D) Sleep
Medications
Bilateral anterior beta activity is MOST likely to occur with
A) pyridoxine
B) pancuronium
C) chlorpromazine
D) diazepam
diazepam
