degenerative brain diseases named after people Flashcards

Parkinson's, Huntington's, and Alzheimer's.

1
Q

non-motor symptoms of Parkinson’s

A

depression
psychosis (drug induced)
dementia

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2
Q

risk factors for Parkinson’s

A

age

genetics

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3
Q

pathology of Parkinson’s

A

cell death
Lewy body formation
loss of dopaminergic neurons in substantia nigra

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4
Q

motor symptoms of Parkinson’s

A

asymmetrical resting tremor (may be stress induced)
stiffness
pain
struggling with walking and dexterous tasks

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5
Q

signs due to muscle tone change in Parkinson’s

A
rigidity
reduced facial expression 
Brady/akinesia
festinating gait
decrease in rhythm and amplitude of repeated movements
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6
Q

complications of Parkinson’s

A

medication tolerance
off/on dyskinesia
freezing
dementia (85% get it after 15 years of PD)

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7
Q

diagnosis of Parkinson’s

A

clinical examination

DaTSCAN

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8
Q

treatment of Parkinson’s

A

L-DOPA
dopamine agonists - promipexole, rotigotine
enzyme inhibitors

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9
Q

risk factors for Huntington’s disease

A

autosomal inheritance

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10
Q

pathology of Huntington’s disease

A

CAG triplet repeat

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11
Q

signs of Huntington’s disease

A
family history
chorea
dementia
psychiatric problems
eyes - problems initiating saccades
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12
Q

complications of Huntington’s

A

heart disease

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13
Q

diagnosis of Huntington’s

A

genetic testing

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14
Q

treatment of Huntington’s

A
tetrabenazine
bilateral stimulation of globus pallidus to treat chorathetosis
SSRIs for depression 
sulpiride for chorea
haloperidol for psychosis
risperidone for aggression
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15
Q

risk factors for Alzheimer’s disease

A

PSEN1, PSEN2, APP, trisomy 21

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16
Q

pathology of Alzheimer’s disease

A

extracellular amyloid plaques

decrease in AB1-42 and increase in T-tau or P-tau in CSF

17
Q

differential diagnoses for Alzheimer’s disease

A

vascular dementia
dementia with Lewy bodies
depressive pseudo-dementia

18
Q

signs of Alzheimer’s disease

A
vague insidious onset
unaware or attempt to hide problems
confusion in evenings
labile mood
semantic language
19
Q

signs of dementia with Lewy bodies

A

Parkinsonism
fluctuations in cognition
visual hallucinations

20
Q

treatment of Alzheimer’s disease

A

acetyl-cholinesterase inhibitors - stabilise for 12 months

memantine - anti-glutamate