Neurology Flashcards

1
Q

typical features of cerebellar degeneration

A
  • progressive gait dysfunction
  • truncal ataxia
  • nystagmus
  • intention tremor or dysmetria
  • impaired rapid alternating movements
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2
Q

what is dysdiadochokinesia?

A

impaired rapid alternating movements

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3
Q

what is dysmetria

A

limb-kinetic tremor when attempting to touch a target

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4
Q

what is Babinski sign and what does it indicate

A

upward deviation of great toe when stroke foot

suggests UMN lesion

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5
Q

what is the clasp knife phenomenon?

A

velocity dependent resistance to passive limb movement

seen in pts with hypertonia due to pyramidal tract disease

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6
Q

what cancers have primarily multiple brain mets?

A

lung

melanoma

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7
Q

what cancers usually have solitary brain mets?

A

breast
colon
renal cell

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8
Q

list cancers that met to brain in order of highest frequency

A
  1. lung
  2. breast
  3. unknown primary
  4. melanoma
  5. colon
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9
Q

cerebral toxoplasmosis most common in CD4 ___

A

<100

ring enhancing lesions

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10
Q

head imaging with nonenhancing/hypodense lesions, calcified granulomas indicates ____

A

neurocysticercosis

these are cysts at various stages of development

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11
Q

CSF findings of GBS

A

high protein
few cells
(albuminocytologic dissoc)

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12
Q

difference in time course for symptoms of GBS vs tick borne paralysis

A

tick- ascending paralysis over hours (ticks must feed 4-7 days first tho for release of neurotoxin)

GBS- days to weeks

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13
Q

examples of autonomic dysfunction that is often seen in GBS

A

tachycardia
urinary retention
arrhythmias

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14
Q

how and when does chemotherapy induced neuropathy present

A

weeks after treament

symmetrical paresthesias in fingers and toes spreading proximally in a stocking glove pattern

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15
Q

symptoms of anterior cord syndrome

A

BL motor function loss at and below level of injury

decr pain and temp sensation BL that begins 1-2 levels below cord injury

vibration, proprio ok

(basically lose everything except vibration, proprio)

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16
Q

lesions in ___ (3) generally cause UMN symptoms

A

brain

spinal cord

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17
Q

lesions in ____ cause LMN signs

A

level of spinal root

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18
Q

what symptoms should you suspect cauda equina syndrome

A

severe radicular lower back pain

plus:

  • impaired motor/patchy sensory/reflex activity in LE
  • bowel/bladder dysfunction
  • or saddle anesthesia
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19
Q

management if cauda equina syndrome symptoms

A

urgent MRI

surgical decompression within 24-48 hours to prevent irreversible neurologic sequelae

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20
Q

what nerve roots does cauda equina carry

A

L2-L5
S1-S5
coccygeal nerve

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21
Q

memantine

  • usage
  • mechanism
A

severe Alzheimer disease

blocks action of glutamate on NMDA receptor

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22
Q

what labs should you always get in someone with dementia

A

thyroid function
vitamin B12

these are potentially reversible causes

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23
Q

potential etiologies of intracranial hypertension

A
  • trauma
  • space occupying lesions
  • hydrocephalus
  • impaired CNS venous outflow
  • pseudotumor cerebri
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24
Q

presentation of intrancranial hypertension

A
  • headache - worse at night
  • n/v
  • mental status changes, cog dysfunction
  • focal neuro sxs (vision change, unsteady gait)
  • seizure
  • symptom worsening with maneuvers that further incr ICP
  • papilledema
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25
what maneuvers can worsen symptoms of intracranial hypertension
leaning forward valsalva cough
26
what is cushing reflex and what does it suggest
HTN, bradycardia, respiratory depression brainstem compression
27
exam findings of acute angle closure glaucoma
conjunctival erythema | mid-dilated pupil poorly reactive to light
28
why can heavy ETOH cause alcoholic neuropathy?
alcohol is neurotoxic and results in axonal neuropathy characterized by reduction in small myelinated and unmyelinated fibers can occur with or without thiamine deficiency
29
symptoms of alcoholic neuropathy?
symmetric distal polyneuropathy (stocking glove) characterized by paresthesia, burning pain, ataxia also commonly lose distal DTRs (eg ankle), light touch, vibration sense
30
list common causes of peripheral neuropathy
- DM - hypothyroid - vit B12 deficiency - medications (eg phenytoin, cisplatin, platinum chemo, disulfiram)
31
name the cranial nerves
2: optic 3: oculomotor 4: trochlear 5: trigeminal 6: abducens 7: facial 8: vestibulocochlear 9: glossopharyngeal 10: vagus 11: spinal accessory 12: hypoglossal
32
most common cause of CN3 (oculomotor nerve) palsy
ischemic neuropathy due to poorly controlled DM
33
UMN signs
hyperreflexia, spasticity
34
LMN signs
muscle atrophy | fasciculations
35
how does ALS usually present
asymmetric limb weakness bulbar dysfunction upper and motor neuron symptoms
36
risk factors multiple sclerosis
``` vit D deficiency smoking white female HLA-DRB1 USA, europe, cold climate ```
37
multiple sclerosis diagnosis
episodic/progressive sxs disseminated over time and space hyperintense lesions on T2 MRI oligoclonla IgG on CSF analysis
38
what are bulbar symptoms
dysphagia, dysarthria seen in multiple sclerosis
39
epidemiology of myasthenia gravis
women 20s-30s | men 60s-80s
40
what are ocular symptoms of myasthenia gravis
diplopia | ptosis
41
broad flat T waves
hypokalemia also- U waves, ST depression, premature ventricular beats
42
primary CNS lymphoma is associated with what virus
EBV
43
Brown-Sequard presentation
ipsilateral hemiparesis, decr proprio, vibration, light touch AT The level of injury contralateral diminished pain and temperature 1-2 levels BELOW level of injury (bc lateral spinothalamic tract decussates 1-2 levels above entry point for the corresponding sensory neuron)
44
genetics of Huntington disease
Autosomal dominant CAG repeat expansion
45
neuropathology of Huntington
loss of GABA-ergic neurons
46
imaging features of Huntington
caudate nucleus and putamen atrophy
47
what is the greatest risk factor for stroke
HTN high pressure increases shearing force on intracerebral vascular endothelium, promoting formation of thrombi
48
treatment mild/intermittent restless leg
supplement iron when ferritin <= 75 supportive (massage, heating pads, exercise) avoid aggravating factors (eg slep depriv, meds)
49
treatment persistent/moderate to severe restless leg
``` dopamine agonists (pramipexole) alternate- alpha 2 delta calcium channel ligands (gabapentin enacarbil) ```
50
list secondary causes of restless legs
- iron deficiency anemia - uremia - DM - multiple sclerosis, parkinson disease - pregnancy - drugs (eg antidepressants, metoclopramide)
51
how does ETOH cause alcoholic neuropathy
ETOH is neurotoxic, resulting in axonal neuropathy characterized by reduction in number of small myelinated and unmyelinated fibers
52
symptoms of alcoholic neuropathy
symmetric distal polyneuropathy (stocking glove) - sxs include paresthesia, burning pain, numbness, loss of DTRs exam usu has loss of light touch and vibration gait ataxia is common
53
metabolic causes of peripheral neuropathy
DM hypothyroid B12 deficiency other: MM, MGUS, plasma cell disorders
54
toxic causes of peripheral neuropathy
ETOH meds- phenytoin, disulfiram, platinum chemo heavy metals
55
infectious causes of periph neuropath
HIV | Lyme
56
hereditary causes of periph neuropathy
CMT | porphyria
57
symptoms of intracranial hypertension
HA worse at night, N/V, metal status changes focal neuro symptoms (eg vision change, unsteady gait) seizures symptoms worsen with maneuvers that increase ICP such as leaning forward, valsalva, cough
58
what is cushing reflex and what does it suggest
HTN bradycardia respiratory depression worrisome finding suggestive of brainsteem compression
59
exam findings of acute angle closure glaucoma
conjunctival erythema | mid-dilated pupil that is poorly reacive to light
60
temporal arteritis is associated with what condition
polymyalgia rheumatica (prox muscle stiffness/tenderness)
61
for what condition should you get CT chest to check for thymoma
myasthenia gravis
62
treatment for myasthenia gravis
``` acetylcholinesterase inhibitors (eg pyridostigmine) thymectomy ``` +/- immunotherapy (steroids, azathioprine)
63
medications that can cause myasthenia gravis exacerbation
- abx: fluoroquinolones, aminoglycosides - anesthetics-neuromuscular blocking agents - cardiac meds - BB, procainamide - other: magnesium sulfate, penicillamine - tapering of immunosuppressive medications
64
causes of myasthenia gravis exacerbations
meds pregnancy/childbirth infection surgery
65
what is thalamic pain syndrome
severe paroxysmal burning pain over area affected by a talamic stroke, exacerbated by light touch (allodynia)
66
lateral medullary infarct occurs due to occlusion of what arteries?
Posterior Inferior Cerebellar or vertebral artery --> wallenberg syndrome
67
what is wallenberg syndrome and what are the symptoms
vestibulocerebllar sxs (vertigo, diff sitting upright w/o support, diplopia, nystagmus, ipsilat limb ataxia) sensory sxs- lose pain and temp in ipsilateral face + contralateral trunk and limbs ipsilateral bulbar muscle weakness- dysphagia, aspiration, dysarthria, dysphina, hoarseness (ipsilat vocal cord paralysis) autonomic dysfnx - ipsilat Horner's syndrome, intractable hiccups, lack of automatic respiration esp during sleep
68
what is transverse myelitis
immune-mediated infiltration of inflammatory cells into a segment of the spinal cord --> neuron and oligodendrocyte cell death and demyleination
69
symptoms of transverse myelitis
rapidly progressive motor weakness that progresses from flaccid to spastic with UMNS autonomic dysfunction sensory deficits with a distinct sensory level
70
what spinal cord level does transverse myelitis often affect?
*inflammation localizes to contiguous spinal cord segments, usually in the thoracic cord
71
LP and MRI findings in transverse myelitis
MRI: enhancement of affected cord segments LP: pleocytosis and elevated IgG
72
management of transverse myelitis
high doese IV glucocorticoids, foten with plasmapheresis
73
symptoms of anterior spinal artery syndrome?
weakness and loss of pain/temp below lesion | proprioception, vibration spared
74
cause and symptoms of subactue combined degeneration
B12 deficiency - sensory ataxia - progressive spastic parapersis - incontinence occurs over years, often a/w neuropsych changes
75
most common cause oculmotor (CN3) palsy
ischemic neuropathy dt poorly controlled DM
76
symptoms of CN3 palsy
ptosis, diplopia down-and-out gaze normal pupillary response (damage to inner somatic nerve fibers that innervate leavtor of eyelid and 4 of the EOM / while sparing the peripheral parasympathetic fibers that innervate sphincter or iris and the ciliary muscles)
77
what extraocular muscles are innervate by CN3 (oculomotor)
Superior rectus Medial rectus Inferior rectus Ingerior oblique
78
3 cardinal signs of Parkinson disease
rest tremor (freq manifests in one hand first) bradykinesia rigidity
79
meaning of myelopathy
a nervous system disorder that affects the spinal cord
80
symptoms of cervical myelopathy
progressive ambulation difficulty and extremity weakness LMN signs at level of lesion (arms) --> weakness, atrophy UMN signs below level of lesion (legs) - eg hyperreflexia
81
most common cause of cervical myelopathy in older adults
spondylosis (degenerative spine disease that causes canal narrowing with cord compression)
82
cause of Bell palsy
reactivation of herpes simplex virus
83
Treatment of Bell palsy
steroids some also recommend acyclovir
84
what is Todd paralysis
self-limited, focal weakness or paralysis that occurs after a focal or generalized seizure sxs are self-limited and resolve in hours
85
cause of infant botulism
ingestion of C botulinum spores --> colonize gut and lead to production and release of neurotoxin
86
how is cause of foodborne botulism diff from infant botulusm
foodborne: ingest preformed C botulinum toxin infant: ingestion of spores
87
difference in presentation of foodborne vs infant botulism?
foodborne: descending flaccid paralysis preceded by prodrome of n/v, abdominal pain, diarrhea infant: bulbar palsies, constipation, drooling, hypotonia- even if infant hasn't been fed honey!
88
infant presents w/ bulbar palsies, constipation, hypotonia, has never eaten honey - what's going on?
suspect infant botulism from inhalation of soil spores
89
highest incidence of infant botulsm?
California Pennsylvania Utah (have greatest concentration of soil C botulinism spores)
90
treatment of infant botulism
botulism immune globulin ASAP, even before diagnostic confirmation of stool spores or toxin
91
treatment of foodborne botulism
botulism antitoxin
92
symptoms of spinal muscular atrophy (Werdnig Hoffmann disease)
generalized symmetric proximal weakness, hyporeflexia | weakness greater in lower than upper extremities
93
diagnosis of absence sz
EEG with 3Hz spike wave discharges during episodes
94
Friedreich ataxia inheritance pattern
autosomal recessive
95
Friedriech ataxia is due to what mutation
excess trinucleotide repeat, most commonly GAA --> abnormal frataxin protein which is highly expressed in heart, brain, pancreas
96
neurologic findings of Friedreich ataxia
- loss of position and vibration sense (dorsal spinal column) - dysarthria - loss of DTRs - progressive gait and limb ataxia
97
non-neurologic findings of Friedreich ataxia
- hypertrophic cardiomyopathy (incr risk arrhythmia, HF, may have fhx sudden cardiac death) - kyphoscoliosis, pes cavus
98
additional management after IV abx for native valve bacterial endocarditis with acute cardioemoblic stroke
none, careful observation consider surgery if significant valve dysfunction, persistent/hard to treat infection, or recurrent embolism
99
what time frame does foodborne botulism symptoms develop?
within 36h of toxin ingestion
100
mechanism of botulism toxin
inhibits presynaptic release of Ach at the NMJ
101
presentation of putaminal hemorrhage involving the adjacent inernal capsule
contralateral hemiparesis and hemianesthesia | conjugate gaze deviation TOWARD side of lesion (dt damage of frontal eye field efferents)
102
medial medullary syndrome occurs due to occlusion of __
vertebral or anterior spinal artery contralteral paralysis of arm and leg (lat corticospinal tract) contralateral loss of position sense (dorsal column medial lemniscus) tongue deviation toward lesion (Hypoglossal nerve)
103
treatment options for postherpetic neuralgia
gabapentin, pregabalin TCA (amytriptylline) topical capsaicin and lidocaine opioids effective but not preferred due to dependence
104
explain neurogenic shock cause and symptoms
lesions above T1 interrupt descending sympathetic fibers --> unopposed parasympathetic stimulation of vessels and heart = hypotension and bradycardia, hypothermia bc lack of peripheral vasoconstriction; areflexia, anesthesia, paralysis, distended bladder below level of the lesion usu have initial period (sev minutes) of massive sympathetic stimulation due to release of NE from adrneals, leading to HTN and tachy
105
secondary stroke prevention for acute ischemic stroke
sntiplatelet with aspirin
106
secondary stroke prevention in those with acute cardioembolism
anticoagulation wtih heparin
107
pt with worse headache in his life. CT negative. next step?
suspected SAH, some CTs still negative | get LP to check for high opening pressure and xanthochromia
108
etiology of cerebral amyloid angiopathy
abnormal beta-pleated amyloid deposition in cerebral vessels leading to vessel fragility second most common cause od intracerebral hemorrhage after HTN, typically lobar in location, pts age >75
109
symptoms of hypertensive encephalopathy
marked BP elevation w/ progressive HA, N/V, nonlocalizing neuro symptoms (eg confusion, restlessness) due to cerebral edema
110
sxs of vertebral artery dissection
with head/neck trauma local pain focal neuro deficits dt cerebral iscehmia cause by thromboembolism or hypoperfusion concomitant disruption of posterior infecrior cerebellar artery --> lateral medullary syndrome
111
medical treatment for idiopathic intracranial hypertension? what if fail medical therapy?
acetazolamide +/- furosemide optic nerve sheath decompression or lumboperitoneal shunting if refractory to medical therapy steroids and LP can be used as bridging therapy for pts awaiting definitive surgical tx, but not rec as long term primary tx
112
symptoms of aminoglycoside toxicity
can be ototoxic to both the cochlea AND vestibular system = sensorineural hearing loss and imbalance
113
positive head thrust test assesses vestibuloocular reflex which is affected by _______ vestibulopathies
peripheral, but not central
114
what is equinovarus deformity
clubfoot - feet point down and inward
115
progressive multifocal leukoenceophalopathy is associated with reactive of __ virus
JC
116
manifestations of common fibular neuropathy
usually transient - foot drop - sensory changes over dorsal foot, lateral shin - impaired dorsiflexion - impaired great toe extension
117
causes of common fibular neuropathy
leg immobilization leg crossing protracted squatting
118
most frequently affected locations of hypertensive hemorrhages
basal ganglia (putamen) cerebellar nuclei thalamus pons
119
putaminal hemorrhage almost always involves the adjacent ____ leading to sytmpoms of?
internal capsule contralateral hemiparesis and hemianesthesia (disruption of the corticospinal and somatosensory fibers) and conjugative gaze deviation twd side of the lesion (damage of frontal eye field efferents)
120
lobar hemorrhages due to amyloid angiopathy most often involve which lobes?
``` occipital lobe (causing homonymous hemianopsia) parietal lobe (causing contralat hemisensory loss) ```
121
next step in pt with Guillaine-Barre who is hemodynamically stable
serial PFTs to assess respiratory muscle strength
122
most common mononeuropathy in pts on dialysis? cause?
carpal tunnel syndrome mos commonlyy: dialsis relaed amyloidosis- inflamm stim formation of beta 2 microglobulin, which is inadeq cleared and deposied as myloid within carpal tunnel other: - incr venous pressure during HD - blood racking from fisual into the carpal tunnel - deposition calcium phosphae in unnel
123
tetanus MOA
closridium tetani toxin blocks release of inhibitory Glycine and GABA across the synaptic cleft
124
differences between neonatal conjunctivitis caused by chlamydia vs gonorrhea
gonorrhea_ presents age 2-5 days, purulent chlamydia: 5-14 days, milder chemosis and lid swelling, watery discharge
125
formal visual acuity testing is recommended starting at __
age 4 / cooperative 3yo | should be screened at every well child
126
initial workup of suspected dementia
- neuropsych testing - CBC, CMP, TSH, B12 - neuroimaging
127
most common type of headache in pediatric population
migraines
128
indications for head imaging in a child with HA
- coordination difficulty - n/t or focal neuro signs - HA that causes awakening from sleep - increasing HA frequency
129
tx acute dystonia
benztropine, diphenhydramine
130
sxs craniopharyngioma
optic chiasm compression -> bitemporal hemianopsia | pituitary stalk compression -> endocrinopathies- growth failure in children, pubertal delay, sexual dysfnx in adults, DI
131
classic presentation of Friedrich ataxia?
progressive ataxia in adolescence
132
what is cephalohematoma?
bleed over he surface of one cranial bone, due to birth rauma subperioseal bleeding is slow so swelling often no visible until several hours afer birth nonender, doesn' cross suure lines mosl uncomplic and resorb sponaneousl wihin few weeks o monhs. a increased risk for hperbili as blood breaks down, m need phooherap
133
features of Lennox-Gastaut sndrome
usu presns b age 5 w/ ID and severe seizures of various types inerictal EEG: slow spike and wave pattern
134
what type of seizures are triggered by hperventilaion?
absence
135
absence EEG
3 Hz spike wave
136
absence tx
ethosuximide
137
facors disinguishing Marfan from homocsnuria?
homocsinuria is AR - intellectual disability - thrombosis (eg stroke), hromboemoblic evens a an age fair complexion, megaloblasic anemia
138
most common predisposing factor for orbital cellulitis? ttttt
sinusitis | not as common but also /maxillary/ tooth abscess
139
how to reverse warfarin
IV vitamin K (effects in 12-24h) prothrombin complex concentrate- contains vitamin K activated factors, acts within minutes and lasts hours (FFP if not available)
140
how to reverse warfarin
IV vitamin K (effects in 12-24h) prothrombin complex concentrate- contains vitamin K-dependent clotting factors, acts within minutes and lasts hours (FFP if not available)
141
characteristics febrile seizure, management
no previous afebrile seizure quick return to baseline reassurance
142
ACA occlusion leads to contralateral sensory and motor deficit predominantly in ___ extremity
lower may also have urinary incontinence
143
MCA occlusion leads to contralat sensory and motor deficit primarily in __
face, upper limb
144
Anterior spinal artery stroke
contralateral paralysis upper and lower limb | ipsilateral tongue deviation (hypoglossal)
145
dysphagia, hoarseness, decr gag reflex = ___ stroke
PICA
146
loss of pinprick sensation over 1st and 2nd webspaces beween toes can be due o __ or __
injur ot L5 roo or peroneal nerve
147
type 2 neurofibromatosis involves a gene abnormality on chromosome _
22
148
neglect is more common with __-sided brain lesions
right
149
most common brain tumor in children?
low grade astrocytoma
150
medulloblastomas arise from ______ and presents with __
cerebellar vermis ataxia (dt involvement of cerebellum)
151
neuroblastomas arise from __ and usu present with __
sympathetic ganglion cells abdominal mass
152
what is Uhthoff phenomenon
MS sxs worsening during exposure to high temps
153
differences in signs/sxs of HSV vs CMV retinitis?
HSV(and VZV) = painful ketatitis/conjunctivitis --> rapidly progressive visual loss fundoscopy: widespread, pale peripheral lesions, cenral retinal necrosis CMV- no pain, no conjunctivitis fundoscopy: fluffy white lesions, hemorrhages
154
MRI Alzheimer's disease shows ____ atrophy
temporal lobe
155
meds that can precip acute glaucoma
anticholinergics
156
vision changes expected with open angle glaucoma
tunnel vision (lose peripheral vision)
157
wernicke encephalopathy triad
ataxia oculomotor sxs encephalopathy (confusion, lethargy)
158
3 black box warnings for valproic acid?
- teratogen - life-threatening pancreatitis - hepatotoxicity
159
Babinski reflex is normal up to age __
2 years
160
inheritance NF1
autosomal dom
161
inheritance NF2
autosomal dom
162
characteristics of CIDP
2 months symmetric both proximal and distal weakness | reduced/absent DTRs
163
what can differentiate Alzheimer's from frontotemporal dementia?
memory is often spared in FTD
164
burning, numbness/tingling = ___ lobe seizure
parietal
165
deja vua, unusual taste/smell, feeling of fear = __ lobe seizure
temporal
166
pt with diplopia and tilting head to one side
trochlear nerve palsy (CN4)
167
hemiballismus is due to lesion in __
subthalamic nucleus
168
sxs commonly seen in Bell's Palsy
hyperacusis | decr taste anterior 2/3 of ipsilat tongue
169
expected pupil exam for non-pupil sparing CN 3 palsy vs pupil sparing CN 3 palsy? causes?
non-pupil sparing: expect one pupil to be more dilated. due to CN3 compression; parasymp fibers respondible for pupil constriction are not spared pupil sparing: expect pupils to be symmetric. due to nerve ischemia such as from DM. parasymp fibers are spared
170
management of generalized status
1. IV benzos for sz termination 2. nonbenzo AED to prevent recurrence (eg fosphenytoin, phenytoin, keppra, valproate) 3. MRI, CT to eval for structural abnormality, hemorrhage, ischemia 4. continuous EEG if pt does not return to normal state of consciousness after medical therapy
171
characteristics of frontotemporal dementia
early personality changes compulsive behaviors hpyerorality frontotemporal atrophy on imaging
172
characteristics of vascular dementia
early executive dysfunction stepwise cerebral infarct and/or deep white matter changes on imaging
173
manifestation of phenytoin toxicity
cerebellar dysfunction (horiz nystagmus, ataxia, dysmetria, slurred speech), hyperreflexia AMS
174
inheritance tuberous scelrosis
autosomal dominant TSC gene mutations -> benign tumors (hamartomas) of brain, skin, other organis
175
most common presenting feature of tuberous sclerosis
seizures
176
exam signs of tuberous sclerosis
- hypopigmented macules (ash leaf spots) - angiofibromas - thickened skin w/ orange peel like texture - subependymal nodules on brain imaging (brain hamartomas)
177
all pts with suspected tuberous sclerosis should be evaluated for __
cardiac rhabdomyoma, with echo
178
cervical spondylotic myelopathy presents with __ signs in UE and ___ signs in LE
LMN in uppers (cervical spinal root compression) | UMN in lowers (compression of spinal cord descending tracts)
179
sxs syringomyelia
loss of pain and temp in cape-like distribution (shoulders, back, arms)
180
inheritance Duchenne's and Becker's
XLR
181
inheritance myotonic dystrophy
autosomal dominant
182
Bell Palsy management
glucocorticoids! +/- acyclovir, valacyclovir which may speed time to recovery protective eyewear if can't close their eye
183
what is an early finding of macular degeneration
straight lines appear wavy
184
neuroimaging Alzheimer's
temporal lobe atrophy
185
sxs macular degeneration
central vision loss
186
sxs glaucoma
peripheral vision loss early on is asymptomatic exam shows cupping of optic disc
187
epidural hematoma most likely to compromise which cranial nerve early on?
3 oculomotor
188
complications after bacterial meningitis in children
- intellectual/behavioral disabilities - hearing loss - cerebral palsy - epilepsy (usu focal)
189
features of glucocorticoid-induced myopathy
proximal muscle weakness and atrophy (LE more involved) NO pain NORMAL ESR and CRP
190
two agents that might provoke idiopathic intracranial htn
vitamin A | glucocorticoids
191
peak time for etoh wihdrawal seizures
1-2 days
192
peak time for DTs
2-4d
193
olfactory sz are a/w lesions in _
mesial temporal lobe, esp hippocampus or parahippocampal gyrus
194
most common visual field defect after L temporal lobectomy
R superior quadrantanopsiaff
195
differentiating polymyositis from polymyalgia rheumatica?
polymyositis- weakness polymyalgia rheumatica- also painful