Other Flashcards
weber syndrome - where and what artery
medial midbrain, PCA
weber syndrome sxs
ipsi CN3, contra UMN
wallenberg - where and what artery
lateral medulla
PICA or vertebral a
preserved in wallenberg
position and strength
if there’s impaired taste over anterior 2/3 of tongue, what branch of CN7 is invovled?
chorda tympani branch
LMN lesion of vagal nerve gives
hoarseness, ipsi drooping of arch, uvula pointing away
facial paralysis via UMN lesion
spares forehead
facial paralysis via LMN lesion
entire ipsi half of face, lesion of CN7
tactile recognition of familiar objects
stereognosis
identification of numbers traced on palm
graphesthesia
pain perceived along dermatome with sensory afferents from same dorsal root level as a diseased internal organ
referred pain
patient hooks flexed fingers together and attempts to pull them apart while examiner taps knee/ankle tendons to elicit reflex
Jendrassik maneuver
corneal reflex input and output
in CN5
out CN7
gag/pharyngeal reflex input and output
in CN9
out CN10
meningeal signs
kernig and brudzinski signs
kernig’s sign
resistance to fully extending knee with hip in 90 degree flexion
brudzinski’s sign
flexing neck gives passive flexion of hips and knees
pronator drift suggests lesion where
CST
Agraphia, R-L disorientation, dyscalculia, finger agnosia
Gerstmann syndrome –supramarginal/angular gyrus of dominant lobe
stepwise focal neuro deficits
vascular dementia
fever and HA causing dementia
possible chronic meningitis, get LP
Alzheimers
beta amyloid, neurofibrillary tangles, tau protein
PET scan with PIB (binds beta amyloid) for Alzheimer’s
uptake spares occipital and primary sensorimotor cortex
Memantine
NMDA antagonist - opposes glutamine
For Alzheimer’s
Tauopathies
progressive supranuclear palsy, corticobasal degeneration, frontotemporal lobar dementia, Alzheimer’s
central AChE inhibitors
Donepezil
Rivastigmine
Galantamine
predominant location of atherosclerotic changes
bifurcation points of lg major cervical and intracranial arteries
lacunar infarcts due to thrombosis or emboli?
thrombosis
disabling hemiparesis seen with lesion where?
internal capsule
moncular blindness - “lowered shade in one eye”
amaurosis fugax (carotid TIA involving opthalmic a.)
• Ataxia, homonymous hemianopssia, hemiparesis w/ crossed brainstem syndromes
vertebrobasilar TIA
face and upper limb supplied by
MCA
lower limb supplied by
ACA
antiplatelet tx
ASA 50-325 mg/day
Clopidogrel 75 mg/day
ASA 25 mg/dipyridamole 200 mg BID
what IV fluids are given to stroke patients?
saline, not dextrose
warfarin used for
a fib
antiphospholipid ab
cerebral venous thrombosis
brain edema develops how many days post-stroke?
3-5 days
most common cause of cerebral hemorrhage
HTN
sentinel HA + meningeal signs
SAH
SAH w/ CN3 palsy
berry aneurysm near Post Comm a.
