Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
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 |