Neurology 5 Flashcards
Thalamus role?
Thalamus in parkinson?
Sensory cortex
Inhibit GABA
No more inhibition ( loss of dopaminergic neurons) = unwanted movements
Familial CJD - mutation?
PRNP mutation
CJD - what result seen in LP?
Protein 14-3-3
Caudate hyperintensity on MRI
Progressive Bulbar palsy a/w what mutation?
SOD1 -glutamate toxicity
Teriflunomide MOA?
inhibit dihyro-oorotate dehydrogenase - disrupts pyrimidine
Glatiramer MOA?
Myelin protein mimicker
Dimethyl fumarate MOA?
NF2 activator - protect neuron from oxidative stress
Alemtuzumab famous side effect?
Autoimmune thyroiditis
Cladribine MOA?
Cut off memory B cells, decrease lymphocytes
Relapse remitting MS has what feature?
Bilateral INO
Unilateral Optic neuritis
Focal impaired awareness arises from what cortex?
focal seizure = EEG finding?
Mesial temporal lobe - hippocampus
Anterior temporal lobe spike
Hyperventilation can induce what type of seizure?
Absence seizure
Which AED is non-linear kinetics?
Gabapentin
Phenytoin
Which AED is renally secreted?
Gabapentin
Levetiracetam
Which AED is safe in pregnancy?
Levetiracetam
Lamotrigine
Wallerian degeneration?
WALL-E = distant future = degeneration distal to axon injury
Haemotoxylin-Eosin staining for what?
ANCA vasculitis
Amyloid
Sarcoidosis
-all have asymmetric progressive neuropathy
Multifocal motor neuropathy commonest presentation?
Wrist drop
+ve anti-GM1
Acute MG - lung function test?
Chronic MG - lung function test?
PEFR (acute)
FVC ( chronic)
IBM antibodies is what?
anti-NTSC1a
what connects wernicke and broca area?
Arcuate fasciculus
Hemicrania continua a/w what?
pituitary adenoma/prolactinoma
MRI changes a/w Enterovirus?
Basal ganglia/brainstem
Viral encephalitis complications?
Chronic amnesiac state
Kluver-bucy syndrome (B/L temporal lobe)