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NEURO SHELF > NeuroSAE > Flashcards

NeuroSAE Flashcards

1
Q

Cardinal features of Parkinson Disease

A
  1. Resting Tremor
  2. Bradykinesia
  3. Rigidity
  4. Postural instability

Need 2/4 of these criteria.

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2
Q

Trigeminal neuralgia can be empirically treated with what?

A

Carbamazepine

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3
Q

CSF findings of MS

A

Mild CSF pleocystosis rarely containing significant PMNs. Glucose is normal and protein is normal to mildly elevated.

ie. WBC 20; PMN 5%; glucose 75; protein 80

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4
Q

Head to head collision with a “jolt” and “dazed” but without LOC. What to do?

A

Remove from play for the day and assess him before the next game

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5
Q

A patient has trouble drawing distinctly different animals (they all look the same with a head, 4 legs and a tail) but he can draw intersecting pentagons accurately. What part of the brain is at fault?

A

Dominant lateral temporal lobe.

Semantic problem in understanding what features make animals unique. Drawing the pentagons correctly indicates that the visuospatial (nondominant parietal lobe) is ok.

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6
Q

Best AED for a young, reproductive age female with generalized sz? (17 y/o)

A

Lamotrigine - has the least cognitive side effects

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7
Q

Proximal > Distal weakness, and normal reflexes = disease localized to where?

A

Muscle

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8
Q

Meniere disease symptoms

A

Progressive hearing loss, episodes of vertigo, tinnitus

Due to excessive pressure in the endolymphatic system

Tx with salt restriction and diuretics

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9
Q

Complications of surgery in a myasthenic patient

A

Respiratory failure

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10
Q

Treatment for temporal lobe epilepsy?

A

Lamotrigine

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11
Q

Headache worse with laying down, tetracycline use, and 15 lb weight gain. What is found on physical exam?

A

Papilledema

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12
Q

Horner syndrome (ipsilateral ptosis and miosis) in a young female. Most common cause of this kind of stroke?

A

Carotid dissection due to trauma

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13
Q

Double vision, difficulty swallowing, nasal speech and weakness in arms and legs. Symptoms improve when getting out of bed, but get worse with routine physical activity. Confirm diagnosis with what test?

A

Tensilon (Edrophonium) Test. For Myasthenia gravis.

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14
Q

Left superior quadrantanopia in both eyes. Where is the lesion?

A

Right temporal

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15
Q

Diabetic polyneuropathy (symmetric distal lower limb sensory polyneuropathy) comes with what other systemic complication?

A

Nephropathy or retinopathy

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16
Q

No pupillary response, no corneal response, no OCR, no gag reflex, no oculovestibular response. What test confirms brain death?

A

Apnea test. The EEG, angiogram, MRI, and TCD are not necessary.

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17
Q

Symptoms of carpal tunnel and + Phalen - what’s appropriate next step?

A

Wrist splinting.

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18
Q

Mild to moderate bilateral foot drop and weakness with eversion of feet. Where is compression occurring?

A

peroneal nerve at the head of the fibula

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19
Q

TIA Symptoms and Risk factors

A

Transient dysarthria with at least one episode of facial drooping. Risk factors: vascular such as Afib, HTN, vascular stenosis and diabetes

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20
Q

Chronic inflammatory demyelinating polyneuropathy

A

Stocking-glove distribution with proximal and distal weakness. Reduction in conduction velocities suggest a demyelinating process both at the roots and distally. The acute form is Guillain Barre.

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21
Q

Inheritance pattern of DMD and BMD

A

X-linked recessive.

Most women carriers will not manifest the disease. BMD slower than DMD. Corticosteroids are beneficial in DMD.

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22
Q

What is most likely to be seen in small fiber peripheral neuropathy?

A

C and A delta fibers that carry pain and temperature sensation. Complain of burning pain and paresthesias. Joint position and vibration spared.

Weakness and atrophy are not seen in pure small fiber neuropathies.

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23
Q

Criteria for migraine without aura

A
  1. nausea
  2. lasting >4 hrs <72 hrs
  3. phonophobia/Photopohobia
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24
Q

Portion of the brain responsible for facial recognition

A

Bilateral inferior occipitotemporal cortex

lesion produces prosopagnosia

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25
Q

Poor comprehension, paraphasic errors, neologisms with agnosia – Wernicke’s aphasia + homonymous hemianopsia = what kind of lesion?

A

Intracerebral hemorrhage focused in the left temporal and parietal lobes

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26
Q

Tremor not present at rest, and improved with alcohol but worsened with stress. What kind of tremor?

A

Essential tremor - most common of all movement disorders

Autosomal dominant inheritance.

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27
Q

Abnormal behavior at night while asleep - immediately awakening and reporting vivid dreams. Occur 90 minutes after sleep onset and are more frequent in the second half of the night. What is he likely to have as he ages?

A

Parkinson disease - because of REM sleep behavior disorder. Can be other lewy body diseases too.

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28
Q

Expressive aphasia, intact comprehension, awareness of deficit. Dysnomia and impaired repetition. Mild corticospinal weakness. Most likely what area of brain?

A

High grade primary brain tumor in left posterior frontal and parietal lobes

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29
Q

Benign paroxysmal positional vertigo

A

Misplaced otoconia in the inner ear - brief but intense episodes of vertigo provoked by head turning. Episodes last <1 min and are assoc with nausea. Do Dix-Hallpike and Epley.

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30
Q

Which Alzheimer’s drug causes bradycardia?

A

Donepezil - cholinesterase inhibitor.

Memantine can do this too but not as prominent as donepezil.

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31
Q

Acute onset progressive unilateral visual loss, orbital pain, worse with eye movement and central scotoma. Marcus gunn pupil and issue with color perception. What is it and what medication speeds recovery?

A

Optic neuritis and use methylprednisolone.

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32
Q

Global developmental delay, narrow elongated face, prominent ears, low muscle tone = what syndrome?

A

Fragile X

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33
Q

What treatment is recommended for diabetic sensorimotor polyneuropathy?

A

Pregabalin

OR (duloxetine, amitryptyline, valproate, opioids, and capsaicin)

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34
Q

Which test should be ordered in addition to a MMSE score for evaluation of a patient with Alzheimer’s?

A

Neuroimaging to look for atrophy in the medial temporal lobes

Note: 14-3-3 protein is in Creutzfeldt-Jakob disease.

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35
Q

Blood pressure cutoff for tPA?

A

1185/110

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36
Q

Can an EEG clear you to drive?

A

No, only cleared by a physician and state law.

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37
Q

Suspect dissection from trauma - what study do you get?

A

MRA of the neck

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38
Q

Gradually progressive course of proximal lower extremity weakness, clonus, and bilateral hoffman signs - what is it and which lab helps confirm?

A

Subacute combined degeneration from B12 deficiency. Causes a macrocytic anemia (low hematocrit with elevated mean corpuscular volume)

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39
Q

Clumsiness of a limb + left pontine lesion - treat how?

A

Intravenous methylprednisolone for early MS.

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40
Q

More irritable patient with MS. Girlfriend moved out. What should neurologist ask about next?

A

Thoughts of self-injury due to depression.

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41
Q

Should you do bedrest or glucocorticoids in acute back pain?

A

No. They should start with NSAIDs.

42
Q

Profound muscle weakness after exercise and large meals. Caused by what?

A

Hypo or hyperkalemic periodic paralysis.

Autosomal dominant.

43
Q

Most common cause of sporadic encephalitis (involvement of the limbic system)

A

HSV-1 , do PCR on CSF.

44
Q

Lewy body disease vs. Alzheimer’s

A

Lewy body dementia - visual hallucinations and parkinsonism

45
Q

Prostate cancer met in spinal canal. What do you do in addition to IV dexamethasone?

A

Surgical decompression

46
Q

Bell’s Palsy

A

Drooling, facial droop, noises louder in ear, forehead weakness + facial weakness. Sensation feels heavy but normal pinprick

47
Q

Fluctuating weakness worsened by infection (myasthenia gravis) where is the disorder occurring?

A

Neuromuscular junction

48
Q

Primary treatment for Parkinsons

A

Levodopa

49
Q

Worsening headache with blurred vision and peripheral vision loss. Menstrual irregularity and galactorrhea. Where is the tumor located?

A

Optic chiasm - prolactin secreting pituitary tumor.

Loss of vision is for the entire visual field in the ipsilateral eye.

50
Q

Pupil-sparing 3rd nerve palsy. What does it look like, and what is it caused by?

A

Double vision and pain in the forehead behind the eye. Ptosis and lateral and inferior deviation of the left eye. Normal accomodation and reaction to light. Caused by diabetes and microvascular cranial nerve infarction

51
Q

Essential tremor best treated with what?

A

Propanalol.

52
Q

Urinary incontinence, slowed gait - what do you ask about next?

A

Cognitive dysfunction - NPH

WET WOBBLY WACKY!

53
Q

When you think someone suffers from toxic and metabolic encephalopathy (delirium) with asterixis, what do you order as a next test?

A

CMP to check for metabolic derangement.

Also consider ABG, CT, EEG, LP

54
Q

B12 deficiency

A

Unsteady gait and “numbness and stiffness”. Stocking decrease in sensation and ataxic heel-knee-shin. Memory problems indicate cortical involvement. Beefy red tongue

55
Q

Wernicke encephalopathy

A

Mental status changes, ophthalmoplegia, ataxia, and nystagmus. Treat with thiamine

56
Q

Musculocutaneous neuropathy

A

biceps brachii, brachialis, coracobrachialis, sensory info on lateral cutaneous nerve of forearm.

Weakness in elbow flexion, forearm supination and numbness over lateral aspect of forearm.

57
Q

Myelin of the optic nerve and CNS is maintained by what cell?

A

Oligodendroglia

58
Q

3 causes of paroxysmal focal symptoms;

A
  1. TIAs
  2. Seizures (2-3 min)
  3. Migraine auras (positive symptoms 15-30 min)
59
Q

Anti-aquaporin-4

A

Neuromyelitis optica is associated with Ab to this channel.

60
Q

pseudodementia

A

severe form of depression which mimics dementia

61
Q

Parsonage-Turner syndrome

A

Acute and severe pain around the shoulder followed by weakness and atrophy of proximal muscles of the arm. Unilateral and can have sensory loss. Viral infection or vaccination causes it, otherwise idiopathic.

62
Q

Dysarthria-clumsy hand sydnrome

A

Lacunar stroke in the contralateral pons or internal capsule.

Other lacunar syndromes: ataxic hemiparesis, pure motor hemiparesis, pure sensory stroke

63
Q

Vascular dementia

A

Risk factors: age and HTN

  • multiple impairments with periventricular and subcortical white matter hypointensities.
64
Q

Isolated weakness in dorsiflexion and eversion with sensory loss to pinprick

A

Caused by crossing legs at the knee

65
Q

IIH - how to diagnose?

A

Get MRI then LP

66
Q

Pain in index finger and thumb comes from which nerve root?

A

C6

67
Q

Syncope with opisthotonic movements - diagnostic intervention most helpful?

A

Orthostatic blood pressure measurement

68
Q

Weakness and burning with absent reflexes of progressive distal extremities

A

Chronic inflammatory demyelinating polyneuropathy

69
Q

Seizure with stiff neck and fever. Eevated white count and left shift. What study do you get if CT is normal?

A

LP

70
Q

Transient monocular blindness (amaurosis fugax) . Which blood vessel affected?

A

The ipsilateral internal carotid artery

71
Q

When are symptoms worst with hypokalemic periodic paralysis

A
  • on awakening
  • after a carbohydrate-rich meal
  • alcohol consumption
  • exposure to cold
72
Q

Weakness of thumb flexion and abduction with decreased pinprick sensation in first 3 and a half fingers. Where is the lesion?

A

Median nerve in the forearm

73
Q

Hemorrhage in subthalamic nucleus

A

Hemiballism - abnormal movement with large amplitude (flailing movements). Usually contralateral.

74
Q

Side effects of migraine prophylaxis

A
  • Topiramate = renal stones
  • propanalol = asthma
  • valproic acid = hepatotoxic

Amitryptiline is good if person has hep C, nephrolithiasis, asthma.

75
Q

Carpal tunnel affects which nerve?

A

Median

76
Q

Rubrospinal tract

A

Crosses after red nucleus, so travels ipsilaterally to the cerebellar cortex from which the information originally rose. Gives ipsilateral dysmetria

77
Q

After two doses of lorazepam, which med do you give to stop a seizure?

A

fosphenytoin

78
Q

nausea med for parkinson disease

A

ondansetron

79
Q

weakness of brachioradialis muscle and inability to extend the wrist and fingers. Where is the lesion?

A

Right radial nerve at the humerus

80
Q

Sluggish pupils, dysphagia, dysarthria, dry mouth, constipation, urinary retention and canned food

A

Botulism.

81
Q

Symptoms of toxic-metabolic encephalopathy. What is an appropriate screen in initial evaluation?

A

Urinalysis and urine culture

82
Q

MRI with predominant mesial temporal atrophy

A

Alzheimer disease

83
Q

Clumsiness in dominant hand with decreased blink rate, bradykinesia, rigidity and resting tremor. localized to where?

A

Basal ganglia

84
Q

Most important test for possible acute or subacute spinal compression process

A

MRI

85
Q

> 50 age, HTN, worst headache of my life, difficulty walking which is the first diagnosis to consider?

A

cerebellar hemorrhage

86
Q

Transient global amnesia

A

Reassurance - associated with migraines and will show bilateral hippocampal abnormalities

87
Q

smoking + thoracic myelopathy

A

epidural neoplastic metastasis

88
Q

positive kernig sign and normal ct - what next?

A

LP

89
Q

Altitude trauma vs acoustic trauma

A

Altitude = conductive loss

Acoustic trauma = sensorineural (like from gun firing)

90
Q

Idiopathic transverse myelitis - what tells you the most about localization?

A

Extensor plantar responses

91
Q

Cerebral anoxia

A

produces myoclonus. poor prognosis

92
Q

Parinaud syndrome

A

Loss of vertical gaze, loss of pupillary light reflex, lid retraction, and convergence retraction nystagmus - due to pineal gland tumor

93
Q

Migraine -unilateral or bilateral?

A

unilateral, throbbing

94
Q

Ipsilateral pain and temp fibers from face, and contralateral pain and temp from the body + horner syndrome = lesion where?

A

Lateral medullary syndrome (Wallenberg)

95
Q

Young healthy guy with first seizure after a few beers - what else do you get before he leaves the ER if he had a normal exam?

A

Urine drug screen

96
Q

Subacute combined degeneration - what vitamin deficiency?

A

B12

97
Q

Lower extremity weakness, saddle anesthesia, diminished reflexes = cauda equina syndrome . Most urgent treatment?

A

Surgical decompression

98
Q

best choice for secondary stroke prevention in a high cardioembolic risk patient?

A

Warfarin

99
Q

Left hemiparesis, hemineglect and arm > leg infolvement

A

Right middle cerebral artery territory (anterior branch)

100
Q

BP 160/80 - need antihypertensive for TPA?

A

nope, keep it there or lower if it goes down

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