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92 Cards in this Set

  • Front
  • Back

Idiopathic/Cryptogenic Seizures

unknown cause

Symptomatic seizures

known cause

Clinical seizures

clinical signs, you can see it

Subclinical seizures

no clinical signs

Parietal Lobe seizures

sensory seizures

temporal lobe seizures

psychomotor seizures

intractable epilepsy

unresponsive to medications


What are the three main parts of the brain?

Medulla, Cerebrum, Cerebellum


What drug can be given for Lennox- Gastaut Syndrome

Valporic Acid (Depakote)


in the mV/cm position, the sensitivity of the amplifier is what fraction of the sensitivity of the uV/mm scale?

1/1000

Needle electrodes are composed of

Ag-AgCl

best electrode for recording DC potentials is composed of

platinum

What is the most critical link in the whole recording chain of the EEG

electrode application

An artifact that may be mistaken for a rhythmical cerebral discharge can be caused by

swallow

AC impedance should be measured rather than DC resistance because

measuring impedance causes discomfort to the patient

Why is advantageous to chloride electrodes

lower polarizing potentials are obtained

the steady potential differences between the aqueous and vitreous humors of the eye is

60 mV

Cross communication between blood vessels is

anastamosis

Nasopharyngeal electrodes are used to record from the medial surface of the temporal lobe where as sphenoidal electrodes record from the

anterior tip to the temporal lobe

Cross communication between blood vessels is called

anastamosis

Myxedema is a disorder of

thyroid function

Thiamine deficiency may produce which of the following disorders?

parkinsons disorder

inflammation of the coverings of the brain or spinal cord is called

meningitis

which of the following is the most common type of brain tumor?

glioma

Menieres disease

an inner ear disturbance

which of the following is a symptom of a narcoleptic patient

hypnagogic hallucinations

lower motor neurons are located in the

anterior horn cells of the spinal cord

Which is not part of the brain stem?


A- medulla


B- pons


C- cerebellum


D- diencephalon

cerebellum

primary auditory receptive area at the cortex is the

anterior temporal transverse gyrus

Two important functions of the medulla are

respiration and regulation of the heart rate

the trigeminal nerve is

the major sensory nerve of the face

thrombosis of the anterior cerebral artery is most likely to cause

contralateral lower extremity weakness

thrombosis of the right middle cerebral artery would most likely cause

left side paralysis, primarily of the face and arm

the foramen of munro is

opening between the lateral ventricles and the third ventricle of the brain

a malignant tumor primarily seen in children

medullaryblastoma

caufe- au- lait spots and neurofibromas are associated with

Van Recklinghousens disease


port wine stain associated with

sturge- weber syndrome

megabyte is how many bytes

1 million

a patient with sensory aphasia will have difficulty

comprehending the meaning of words or phrases

fasciculation refers to

involuntary twitching of the muscle fibers

PET (Positron emission tomography) is used for

visualizing the metabolism of the brain

symmetry of sleep spindles, when present, is important in the evaluation of

the physiological maturation of an infant

in a record with 10hz alpha activity. when the display epoch is changed from 10 seconds per display screen to 20 seconds per display screen, the frequency of the activity will be

10 Hz

which structure will most likely be affected first by an anoxic insult

cortex

FIRDA is seen in

children

during the recording of cerebral activity, the calibration input voltage is changed from 50uv to 100uv- what will the result be?

no effect on the activity being recorded

the

end

What divides the frontal and patietal lobe?

Central Sulcus

What connects the right and left hemis?

Corpus collusum

Anterior Cerebral artery- what lobes?

frontal


medial aspect patietal & occipital

Middle cerebral artery- what lobes?

Insula ( ant tip temporal)

posterior cerebral artery- what lobes?

rostral midbrain


posterior thalamus


medial occipital


surface of temporal

CSF-


where is it produced?


what to openings does it flow?


absorption?


main function?

- chloriod plexus


-foramen of luschka/ foramen of magendie


-arachnoid villi


- brain and spinal cord

interventricular foramen

Foramen of monro

vertebral artery

foramen magnum

Barbituates/ phenobarbytal cause?

excessive beta

Alzeimers causes?

diffuse slow

Huntingtons causes?

muscle artifact

Hydrocephalus causes?


Shunt causes?

-normal


-focal slowing, spike/wave

Parkinsons causes?

muscle artifact

ALS causes?

muscle weakness, Respiratory failure

Tays causes?

Fat, generalized slowing

Downs syndrome causes?


chromosome 21, normal EEG

Tuberous sclerosis causes ?

non malignant, little tumors, cafe latte spots

Retts

grey matter, females

Battens

blind, generalized slow, burst of activity

Von Recklinghausens

neurofibromatosis- caffe latte spotS

Sturge webers

port wine stains, assy alpha, focal

Picks

is like dementia

Wickets

Normal variant, temporal lobe

POSTS

Normal variant, occipital leads, sleep

LAMBDA

Normal variant, occipital, awake

Patient that has ICP, what will be seen on EEG

Mild diffuse slowing

Sleep stage 1

V-waves- central


Slow rolling eye movements- frontal

Sleep stage 2

K complex- central


Sleep spindles- frontal/central

Flat EEG, cyclical periodic multifrequency polymorphic low/middle/high amp

burst suppression

Encephalophathies show what on EEG?

Generalized delta, TW

Atonic seizure

slow spike and wave


desychronous flat


polyspikes

GTG seizure on EEG

Tonic- stiffening-rapid spikes, abrupt flattening


Clonic- jerking- spike and wave discharge

Brain injury on EEG, Skull defect on EEG?

Breach rythmn- asymmetry


unfiltered high-voltage physiological waveforms, sometimes with a spiky and irregular morphology, that can mimic interictal epileptiform abnormalities and may therefore lead to misinterpretations.

myoclonic jerking on EEG?

polyspikes

Brainstem is composed of:

Pons


Medulla


midbrain

CNS is composed of :

Brainstem


Spinal Cord


Brain

Diencephalon is composed of:

Thalamus


Hypothalamus

Circle of Willis is composed of:

A&P communicating arteries


A&P cerebral arteries


Internal Carotid artery

ECI/ECS is defined as:

No activity over 2 uV

ECI impedance needs to be :

under 10k ohms


over 100 ohms

ECI interelectrode distance:

10 cm apart

ECI sensitivty setting ?


for how long ?

-from 7uv/mm to 2uv/mm


-30 minutes

ECI filter settings

HFF- 30 Hz


LFF- 1 Hz

3 types of brain tumors

- primary


-intracranial


-metastic


THE

END