A 81-year-old woman with moderate Alzheimer's disease is admitted to hospital. She becomes acutely confused (4AT 8). After thorough investigation, an ...

Question

A 81-year-old woman with moderate Alzheimer's disease is admitted to hospital. She becomes acutely confused (4AT 8). After thorough investigation, an underlying cause of delirium is identified and treated. Despite resolution of the medical cause, her delirium persists for 3 weeks. According to evidence, what is the MOST important prognostic implication of delirium in a person with pre-existing dementia?

Accepted Answer

Delirium superimposed on dementia is associated with accelerated cognitive decline, increased risk of institutionalisation, and increased mortality

Answer

Delirium in the context of dementia has no prognostic significance

Answer

Delirium always resolves fully once the cause is treated

Answer

Delirium improves cognition in dementia patients

Answer

Delirium only affects physical function, not cognition

uk-dgm MCQ (SBA): Delirium Superimposed on Dementia - Prognosis