Geriatrics Flashcards
Drugs causing delirium
- Anticholinergics
- Benzo’s
- Opioids
Best scan for Lewy body dementia
FDG PET
Insulin resistance is a RF for which types of dementia
Alzheimer’s
Vascular
Neurotransmitter changes in delirium
- decreased acetylcholine
- increased dopamine
Biggest risk factor for Alzheimer’s
Advancing age.
F>M
Gene for Alzheimer’s dementia - Early and Late onset
Early onset
- presenelin genes - PSEN1 and PSEN2
- APP gene
- Amyloid beta 42
Late onset
- Homozygous for APOE E4
Beta amyloid levels and Tau levels in CSF in Alzheimer’s
- Beta amyloid - low (earliest sign of Alzheimer’s)
- Tau - high
Best imaging for assessing amyloid plaques
PiB scan - Pittsburg compound B
Alzheimers drugs
- Donepezil
- Rivastigmine
- Memantine - NMDA receptor
Symptoms of frontotemporal demential
- behavioural changes
- progressive dysphasia
- specific food cravings
- decline in hygiene and grooming
First cognitive deficit in Lewy body dementia
Visio-spatial skills
Area of brain affected in Alzheimer’s
Hippocampus
Fat changes in normal aging
- reduced subcut fat and reduced appendicular.
- increased visceral and axial fat.
Who assesses for capacity?
Clinician/ Doctor - NOT neuropsych
Best management of frailty
Group resistance exercise