Dementias Flashcards
Genetic RF’s for Alzheimers
APP gene on chr 21
presenilin genes 1 (chr 14) and 2 (chr 1)
ApopE4 allele
What lobe is spared in Alzheimers
Occipital
Rx of Alzheimers
Cholinesterase inhibitors - donezipil, rivastigmine
Hallmarks of Lewy body dementia
Hallucinations
Fluctuating levels of attention
Huntington’s disease = aut rec or dom?
gene?
aut dom
huntington gene on chr 4p
triad of huntingtons disease
emotional, cognitive and motor disturbance
which type of dementia is assoc with parkinsonian features
Lewy body dementia
Day to day fluctuation
Lewy body dementia
Picks disease is a type of ? dementia
frontotemporal
Stepwise progression
Vascular dementia
Vascular dementia:
____ infarcts seen
Lacunar infarcts
pharmacological tx for mild-moderate Alzheimers
cholinesterase inhibitors - donepezil, rivastigmine, galantamine
pharmacological tx for mod - severe alzheimers
what is its mode of action?
memantine
- blocks NMDA glutamate receptors (glutmate over action is thought to damage neurones)