USMLEasy 2 Flashcards
Sounds loud enough to cause deafness causes what type of hearing loss?
High-tone sensorineural loss (shears off neuro filaments)
Traumatic brain injury - areas of brain likely to hemorrhage?
Coup - temporal lobe
Countrecoup - occipital lobe
Hyperostosis? Seen with what brain tumor? Opposite seen with what tumor?
Bone thickening; meningioma
Pituitary adenomas
Area of brain most affected by alcohol abuse?
Superior vermis
Effects of mercury toxicity?
#Sensory deficits #personality changes #tremors of hands/lips #ataxia
Therapy for prevention of progressive MS?
Interferon beta
CN3 palsy in diabetics affects pupil how?
Spares pupillary functions
Paraproteinemic neuropathy associated with?
MGUS
Trigeminal neuralgia vs atypical facial pain? Treatment for each?
Paroxysmal/lancilating versus constant/deep (unilateral or bilateral)
Carbamazepine versus antidepressants
Symptoms of lead poisoning? Tx?
#Bilateral radial neuropathy #Lineae discoloration along gingival margin #Abdominal pain, constipation #Anemia
Penicillamine
Most common infection preceding GBS?
Campylobacter
Steppage gait? Occurs with?
Affected foot is raised higher than normal to prevent dragging
Occurs with footdrop (paralysis of peroneal nerve)
Antalgic gate?
Limp cause by the patient limiting weight-bearing on painful leg
Spastic hemiparetic gate? Seen after?
Like a stiff with the footdrop and arm is held flex and adducted; seen after strokes
Spastic diplegia gait - AKA? associated with?
scissor gait
Extrapyramidal disorders;
Adrenoleukodystrophy results in what neurologic symptoms? Pathogenesis?
#Spastic paresis #Bladder and bowel incontinence #Sensory disturbances and legs
Defective in ATP binding transporter that results in accumulation of fatty acids
Drug to minimize symptoms of neuroleptic induced parkinsonism?
Anti-cholinergic – trihexyphenidyl (artane)
Abducens dysfunction and child is usually related to?
Tumor pressing on Brainstem
Porencephaly?
Cysts in the brain due to strokes and viral encephalitis while a fetus
Pt presents with simple seizure – first step?
MRI to rule out cancer BEFORE EEG
Risk of developing MS after optic neuritis?
75% women; 35% in men
Riley-Day disease - typical patient? Mechanism? Symptoms?
Jewish child
Small fiber neuropathy (pain/temperature and SNS/PSNS)
#Loss of tears #corneal ulceration #nonreactive pupils #sweating #dysphagia
Pupil sparing 3rd nerve palsy - suspect?
Diabetes
Myotonic dystrophy - symptoms? EMG pattern? Eventually will need?
#Difficulty relaxing grip #Hypersomnolence #Premature foamless #Testicular atrophy #Cataracts #hostility
Dive bomber pattern (repetitive discharges with minor stimulation)
Pacemaker