degenerative brain diseases named after people Flashcards
Parkinson's, Huntington's, and Alzheimer's.
non-motor symptoms of Parkinson’s
depression
psychosis (drug induced)
dementia
risk factors for Parkinson’s
age
genetics
pathology of Parkinson’s
cell death
Lewy body formation
loss of dopaminergic neurons in substantia nigra
motor symptoms of Parkinson’s
asymmetrical resting tremor (may be stress induced)
stiffness
pain
struggling with walking and dexterous tasks
signs due to muscle tone change in Parkinson’s
rigidity reduced facial expression Brady/akinesia festinating gait decrease in rhythm and amplitude of repeated movements
complications of Parkinson’s
medication tolerance
off/on dyskinesia
freezing
dementia (85% get it after 15 years of PD)
diagnosis of Parkinson’s
clinical examination
DaTSCAN
treatment of Parkinson’s
L-DOPA
dopamine agonists - promipexole, rotigotine
enzyme inhibitors
risk factors for Huntington’s disease
autosomal inheritance
pathology of Huntington’s disease
CAG triplet repeat
signs of Huntington’s disease
family history chorea dementia psychiatric problems eyes - problems initiating saccades
complications of Huntington’s
heart disease
diagnosis of Huntington’s
genetic testing
treatment of Huntington’s
tetrabenazine bilateral stimulation of globus pallidus to treat chorathetosis SSRIs for depression sulpiride for chorea haloperidol for psychosis risperidone for aggression
risk factors for Alzheimer’s disease
PSEN1, PSEN2, APP, trisomy 21
pathology of Alzheimer’s disease
extracellular amyloid plaques
decrease in AB1-42 and increase in T-tau or P-tau in CSF
differential diagnoses for Alzheimer’s disease
vascular dementia
dementia with Lewy bodies
depressive pseudo-dementia
signs of Alzheimer’s disease
vague insidious onset unaware or attempt to hide problems confusion in evenings labile mood semantic language
signs of dementia with Lewy bodies
Parkinsonism
fluctuations in cognition
visual hallucinations
treatment of Alzheimer’s disease
acetyl-cholinesterase inhibitors - stabilise for 12 months
memantine - anti-glutamate