ABRET Flashcards
Vertical Resolution
Sensitivity
Long time Constant
LFF of 0.1
What type of seizure is not associated with lennox- gastaut?
Complex seizure
What most closely relates to the ratio of an amplifier’s output to input signal?
System gain
What is a common clinical sign of meningitis?
Nuchal rigidity
A meningioma is usually:
encapsulated
If a patient has a stroke involving the basilar artery, what clinical signs are expected to be seen?
diplopia (double vision)
What neurologic syndrome may be associated with focal epilepsy?
Tuberous Sclerosis
Papilledema is most common in what condition?
Posterior fossa tumor
Where is the cingulate cortex located in relation to the corpus callosum?
Superiorly
Photomyogenic response may be enhanced by?
Alcohol or barbiturates withdrawal
Patients with temporal lobe epilepsy may display ictal automatisms, which are?
Stereotyped, repetitive movements such as lip smacking or rubbing fingers together
gelastic epilepsy
laughing
What is the difference between a classic migraine headache and a common migraine headache?
A classic migraine has a associated aura whereas a common migraine does not
The pain of a migraine generally results from
dilation of blood vessels
Most common site of brain tumor in children
Posterior fossa
HV should be done at a rate of
20 breaths per min
A disease occurring only in females characterized by normal development until 6- 18 mo, after which there is a quick deterioration of mental abilities
Rhett Syndrome
Ruptured aneurysm with nuchal rigidity, confusion and drowsiness
Subarachnoid hemorrhage
Which stimuli is most likely to be a trigger for reflux seizures?
Writing
Landau- kleffner syndrome is characterized by:
electrical status epilepticus of sleep (ESES)
EEG with very tense and anxious pt shows
widespread low voltage activity
What neurotransmitter is lacking in the brain of patients with Parkinson’s?
Dopamine
Normal EEG in adults of age 70 or older is similar to those younger with what exception?
REM sleep is less than 20% of total sleep time
Digital EEG montages are reformatted by using?
System reference
Brain abcess
Focal polymorphic/ delta activity
The clonic phase in a generalized tonic clonic seizure is characterized by:
diffuse rhythmic spikes followed by diffuse SSW activity
Tonic phase in GTC is characterized by:
generalized voltage suppression and muscle artifact
EEG of a partial seizure disorder
Anterior temporal spike focus
Rhythmic theta activity in the temporal region is most commonly associated with which seizure type?
complex partial
What mathematically converts the time function into a sine wave of different frequencies?
Fast fourier transform
2016 ACNS guidelines recommends a minimal horizontal resolution of
16 bits
A large lesion of the optic chiasm produces which of the following conditions?
complete visual loss
Laplacian montage
sources reference derivation
-mathematical average of four surrounding electrodes to one electrode
Input impedance should be:
very high
Sturge Weber Syndrome
neurocutaneous involvement
What should not be seen in the normal awake adult?
delta
Hypothalamic hamartoma
gelastic seizure
Difference between epileptic sz and nonepileptic sz?
prolonged duration LOC
What would you expect to see in the frontal regions of a normal adult?
low voltage fast and eye movement artifact
A childhood disorder characterized by acquired aphasia, multifocal epileptiform activity and focal or generalized seizures
Landau-kleffner
Sphenoidal electrodes are used to record activity from the:
Anterior temporal lobes
Frequency:
influenced by and measured in
influenced by sampling rate and measured in HZ
EEG of a patient with CJD
GPD’s/ GPED’s
Clipping of the waveforms occurs when
the signal is outside the range of the digitizer
During neonatal seizures, the EEG is most likely to show:
Focal rhythmic activity
How does increasing the number of seconds displayed on the monitor effects spikes? (Duration and amplitude)
Does not change spike amplitude or duration
What time constant would best display delta activity?
1.0 SEC
The EEF of a patient with meningitis is most likely to show:
slowing
EEG of a patient with lennox-gastaut is likely to show:
1.5 hz spike and wave
“slow spike and wave”
Onset of sturge weber disease is typically during?
infancy
Temporal lobe epilepsy accounts for what % of all patients with epilepsy?
To distinguish slowing from drowsiness
Patients with myoclonic epilepsy of vanz. szs most commonly appear:
Peak @ 30-60 years old
Voltage Resolution
S=5uv/mm
LFF=5hz
HFF=70hz
During neonate seizures the EEG is most likely to show:
area of visual loss
Benign Rolandic Epilepsy
Central temporal spikes
Hypnagogic Hypersynchrony
2-6 years
Heschel’s gyrus
auditory aura
Periodic, rhythmic or ictal appearing discharges that are constantly induced by alerting stimuli
SIRPID’s
Stimulus-induced rhythmic, periodic or ictal discharges
The third ventricle is connected to the fourth ventricle by the
aqueduct of sylvius
Precocious puberty is associated with pathology of the
hypothalamus
What best describes secondary bilateral synchrony?
Rapid generalization from one or multiple sources
Thiamin deficiency
Wernickes syndrome
Decorticate posturing
bilateral flexion @ the elbows
Unilateral Babinski signs?
Pyramidal tract dysfunction
