Neurocognitive & Delirium
Neurocognitive & Delirium
Criteria met for major or mild NCD
Criteria met for major or mild NCD (substantial or modest cognitive decline in ≥1 domain)
B. Insidious onset and gradual progression C. Clinically established Huntington's disease or at-risk with positive genetic testing D. Disturbance not better explained by another condition
B. Insidious onset and gradual progression in ≥1 cognitive domain (most often episodic memory early) C. Probable AD: genetic mutation or ≥2 declining domains + no mixed aetiology; Possible AD: no genetic evidence or insufficient domains or mixed aetiology present D. Disturbance not better explained by cerebrovascular disease, another NCD, medical condition, or substances
A. Criteria met for major or mild NCD B. Insidious onset and gradual progression C. Clinically established Huntington's disease or at-risk with positive genetic testing
A. Criteria met for major or mild NCD (substantial or modest cognitive decline in ≥1 domain) B. Insidious onset and gradual progression in ≥1 cognitive domain (most often episodic memory early) C. Probable AD: genetic mutation or ≥2 declining domains + no mixed aetiology; Possible AD: no genetic evidence or insufficient domains or mixed aetiology present
Mild / Major neurocognitive disorder; With behavioural disturbance; Without behavioural disturbance
Mild NCD due to AD; Major NCD due to AD; With behavioural disturbance; Early onset
Alzheimer's disease (no chorea; no family history); Other movement disorders (Wilson's disease, neuroacanthocytosis); Primary psychiatric disorder (may predate cognitive/motor symptoms)
Vascular dementia (stepwise; vascular risk factors; white matter disease); Lewy body dementia (fluctuating cognition, visual hallucinations, parkinsonism, RBD); Frontotemporal dementia (early behaviour/language; memory spared early)