other common dementias W2 Flashcards

1
Q

vascular dementia - what percentage of all dementia cases?

A

10-40%

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2
Q

behavioural symptoms of vascular dementia?

A

memory loss
slowed thinking
depression
anxiety

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3
Q

locomotor problems of vascular dementia

A

gait disturbance
dysarthria
autonomic dysfunction

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4
Q

loss of executive function in vascular dementia?

A

problem solving
working memory
judgement
reasoning

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5
Q

risk factors for vascular dementia?

A

diabetes
hypertension
metabolic syndrome
age
stroke
genetic factors

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6
Q

vascular dementia treatment?

A

focused on risk factors, no direct treatment

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7
Q

frontotemporal dementia age of onset?

A

45-65 years

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8
Q

frontotemporal dementia symptoms?

A

behaviour and personality changes
progressive memory problems
language impairment
can be associated with motor deficits

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9
Q

inheritance type and rate in frontotemporal dementia?

A

autosomal dominant inheritance in 10-15%

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10
Q

affected proteins in frontotemporal dementia?

A

Tau or TDP 43

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11
Q

subtypes of frontotemporal dementia?

A

bv FTD and FTD-MND

progressive non-fluent aphasia

semantic dementia

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12
Q

bvFTD and FTD-MND symptoms?

A

disinhibition, compulsive or perseverative behaviour, apathy, emotional bluntness
extrapyramidal signs common
MND develops in up to 15%

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13
Q

progressive non-fluent aphasia symptoms?

A

reduced speech production

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14
Q

semantic dementia symptoms?

A

difficulty understanding words, recognising objects

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15
Q

dementia with lewy bodies is on a continuum with what?

A

parkinsons disease

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16
Q

pathophysiology of dementia with lewy bodies?

A

deposition of lewy bodies (abnormal protein deposits) throughout cortex and brain stem

17
Q

difference between symptoms - dementia with lewy bodies vs parkinsons?

A

DLB - more prominent cognitive symptoms early on
parkinsons - more prominent motor symptoms early on

18
Q

what protein are lewy bodies composed of?

A

alpha-synuclein

19
Q

symtoms of DLB?

A

visual hallucinations
issues with movement
poor regulation of body functions
confusion, memory loss
sleep disorders
mood changes (depression)

20
Q

treatable causes of cognitive impairment/dementia?

A

drug toxicity
metabolic disturbance
autoimmune/paraneoplastic encephalopathies
mass lesion (tumour, chronic subdural)
infectious process (meningitis, syphilis)
inflammatory disorders
endocrine disorders
nutritional disease

21
Q

rapidly progressive dementias types?

A

autoimmune encephalitis
prion diseases
paraneoplastic syndromes
post-viral encephalitis
rare cases of typical dementias

22
Q

dementia history taking?

A

patients may forget problems or have no insight
collateral history from caregiver/spouse
clues include repetitive questioning, list writing, losing items

23
Q

general and neurological examination for dementia

A

general neurological examination
cognitive screening tests
exclusion of reversible causes
neuroimaging

24
Q

screening tests for dementia?

A

Addenbrooke’s cognitive assessment (ACE-III)
mini-mental state examination (MMSE)
Clock drawing test (CDT)
mini-cog
time and change
7-minute screen