Neuro Flashcards
gait with circumduction of one extended leg and flexed elbow and hand
hemiplegic gait
gait with wide spaced legs and falling to left
What gait? Where is the lesion?
cerebellar gait
lesion on the left (where they are falling)
abduction of legs during gait with tiptoes
diplegic - cerebral palsy gait
gait where someone waddles side to side
myopathic gait.
gait with high steps due to foot drop
neuropathic gait
steppage gait
pronator drift test tests
upper motor neuron disease affecting this limb
2 time cutoffs for tPA
3 hours IV
6 hours intraarterial
gait w/parkinson’s
hypokinetic
muscular dystrophy gait
waddling (weak gluteals)
vestibular ataxia gait (describe)
minimal head movement staggering w/nystagmus, vertigo
eye differences in thalamus vs pons hemorrhage
pupils and gaze (pons, pupils only)
Thalamus, nonreactive meiotic, gaze Towards hemiparesis
Pons, Pinpoint reactive pupils
lobe affected for receptive aphasia
L. temporal lobe
lobe affected for L. hemineglect
R. parietal lobe
back and leg pain exacerbated by extension, alleviated by flexion
spinal stenosis
etiology of DM CN III palsy
ischemic
HIV patient w/periventricular ring
EBV virus in CSF
primary CNS lymphoma
1st sx of normal pressure hydrocephalus
gait disturbance
sequence of 2 complications from subarachnoid hemorrhage
rebleeding = less than 24 hours vasospasm = days 3-10
15 yo with ataxia, skeletal deformities and cardiomyopathy
Friedrich ataxia
MMSE score indicative of dementia
less than 24
pt w/central scotoma, afferent pupillary defect, chenges in color perception and acuity, and swollen disc
optic neuritis (common in MS)
athetosis
slow writhing movement of hands/feet
amantadine MOA and use
dopamine agonist
parkinson’s
1st line class in Alzheimers
cholinesterase inhibitors
man w/parkinsonism w/orthostasis, or other autonomic signs
multi system atrophy (shy-drager syndrome)
1st line drugs in Parkinon’s
class is OK
benztropine or trihexyphenidyl
anticholinergics
best initial tx for severe Parkison’s (class is OK)
pramipexole and ropinerole
dopamine agonists
adjuvant to stop on/off phenomena of carbidopa/levodopa
COMT inhibitors
tolcapone, entacapone
Only drugs to reduce progression of Parkinon’s
MAO inhibitors
rasagiline, selegiline
cause of curtain falling down on visual field (amaurosis fougoux)
emboli (atherosclerosis)
1st sx in Frontotemporal dementia
Personality goes first in Pick Dz (PP)
pathogenesis of vascular dementia
suddenly declines due to CVA
test to differentiate coma vs PVD (persistent vegetative state)
EEG - normal in coma
brainstem reflex tests (3)
- corneal reflex
- cold water test
- doll’s eyes
tumor in a kid with “sun setting sign” (downward gaze)
pinealoma
gene defect in marfan’s
fibrillin-1
part of the brain atrophied with Wilson’s dz
lenticular nucleus
sudden loss of vision, pale retina, dark macula
retinal artery occlusion
tx of retinal artery occlusion (3)
oxygen
acetazolamide
thrombolytic
loss of vision, with extravasation blood into fundus
retinal vein occlusion
mutated proteins in NF1 vs NF2
NF1 = neurofibromin NF2 = merlin
which one is serious? preseptal cellulitis vs orbital cellulitis
orbital cellulitis - and much more likely to have opthalmaplegia
4 midline cranial nerves
3,4,6,12
facial droop means ? artery and syndrome
AICA’s pooped
lateral pontine syndrome
hypoglossal dysfunction
artery and syndrome
ASA
medial medullary syndrome
hoarseness
artery and syndrome
PICA
lateral medullary syndrome (Wallenburg)
pronator drift tests for…
upper motor neuron lesion
neck hyperextension
weakness of upper extremities
syndrome?
central cord syndrome
hallmark sx (2 each) of dominant MCA (left) vs nondominant MCA (right) stroke?
left = aphasia right = hemineglect or anosognosia
anosognosia
lack of awareness of illness
dopamine affects sx of mesolimbic pathway (1) vs tuberoinfundibular pathway (1)
mesolimbic: psychosis
tuberoinfundibular = prolactin
eye disorder with distortion of wavy lines
macular degeneration
timeline when dyskinesias show up after initiating carbidopa-levidopa therapy
after 5 years
lambdoidal suture
unites parietal bones with occipital bone
squamosal suture
unites squamoid portion of temporal bone with parietal bone
2 types of therapy for essential tremor
1 category, 1 specific drug
beta blockers
primidone (anti-seizure)
parkinson drug that alleviates levidopa dyskinesias
amantadine
2 antiemetics that can cause drug-induced PD
metoclopromide
prochlorperazine (compazine)
T1 vs T2 images
WW2
water white on T2 (fat white T1)
4 drugs for tardive dyskinesia
tetrabenazine
benzoes
baclofen
vitamin E
wormlike movement of facial muscles, sensed by pt, but difficult for examiner to see
facial myokymia
bad MLF side of internuclear ophthalmoplegia exam
side that cannot adduct is the side of lesion (eye that is in nystagmus is good).
time cutoff for status epilepticus
5 mins
Frequency of awake eeg on posterior with eyes closed
Alpha, 8-13 hz
Eeg waveform absence seizure
3 hz spike and wave.