Neurology Flashcards
Pseudobulbar Palsy
Inability to control facial movements. Patients experience difficulty chewing and swallowing, have increased reflexes and spasticity in tongue and the bulbar region, and demonstrate slurred speech, sometimes also demonstrating uncontrolled emotional outbursts.
Cataplexy
Sudden loss of muscle tone. Common in Narcolepsy. Can be treated with SNRI, TCA, or GHB (date rape drug).
Confabulation
Patients offer implausible explanations in a sincere, forthcoming, and typically jovial manner. Common in Wernicke-Korsakoff, Anton Sydrome, and anosognosia.
Huntington’s Disease
CAG of the huntington gene. Atrophy of the caudate and putamen
Lewy Body Dementia
Lewy bodies made of alpha-synuclein; No tremor, but masked facies, rigidity, bradykinesia; Visual hallucinations. Very sensitive to EPS from antipsychotics
Frontotemporal Dementia
Men in the 50s; Autosomal Dominant; Frontal and anterior temporal lobes are atrophic. Parietal is preserved; ACh levels are normal; Plaques and tangles are uncommon.
Pick’s Disease
Varian ot FTD; Pick Bodies on silver stain
Progressive Supranuclear Palsy
Parkinsonism (without tremor); Axial rigidity (straight spine); Cannot look vertically and later to look laterally; Fall going down stairs; Masked face is more of a “startle” look
Vascular Dementia
Step-wise deterioration;
Normal Pressure Hydrocephalus
CSF can’t be reabsorbed.; Dementia, urinary incontinence, and gait apraxia. Treat with shunt and they improve
Wernicke-Korsakoff
Ophthalmoplegia, ataxis, and acute confusion; Retrograde and anterograde amnesia; Lack of B1
Neurosyphilis
Treponema Pallidum (know what it looks like); RPR and VDRL
Subacute Sclerosing Panencephalitis
Measles as a kid; Myoclonus is hallmark; Get CSF measles antibody titer; Cowdry bodies
Creutzfeld-Jakob Disease
Dementia and myoclunus; Die in 6 months to a year; Prior protein;
Lyme Disease
Can cause dementia; Borrelia burgdorferi;