Neurology Revision Night Flashcards
(95 cards)
what “nucleus” is one of the first parts of the brain affected in alzheimers?
nucleus basalis of meynert
pathophysiological cause of the genetic element of huntingtons?
genetic anticipation
name the symptomatic triad in parkinson’s
rigidity
tremor
bradykinesia
name 2 parkinson’s plus conditions
progressive supranuclear palsy
multiple system atrophy
main presentation of multiple system atrophy?
parkinsonism PLUS:
autonomic features eg orthostatic hypertension
main presentation of progressive supranuclear palsy?
parkinsonism PLUS:
vertical gaze problems
parkinsons plus syndromes respond well to levodopa T or F
F
CT sign of an acute MCA infarction?
MCA sign (hyperdense MCA (white artery) on CT)
your risk of developing alzheimers is higher in down syndrome T or F
T
frequency of the resting tremor in parkinsons?
4-6Hz
hemiballism is a form of what movement disorder?
chorea
cause of hemiballism?
decrease in activity of the subthalamic nucleus of the basal ganglia eg by a lesion
huntington’s presents with chorea T or F
T
how is the onset of vascular parkinsonism different to that of PD?
its more sudden
how does the presentation of vascular parkinsonism differ from PD?
begins in the lower body whereas PD tends to arise in the hands first
who gets sydenham’s chorea?
girls and young women (5-15yrs)
cause of sydenham’s chorea?
rheumatic fever
main symptoms of sydenham’s chorea
widespread chorea
“autosomal, postural tremor” describes what kind of tremor
resting tremor
cerebellar lesions cause what kind of tremor
intention
describe the findings on CSF on an MS patient
presence of oligoclonal bands
opening pressure is/isnt elevated in the CSF of a patient with viral meningitis
isnt
what kind of white cells are found in TB meningitis?
mainly lymphocytes (80%) polymorphs (20%)
opaque CSF that forms a fibrin web when left indicates what type of meningitis?
TB meningitis