A new clinical guideline helps doctors distinguish between delirium and dementia in patients with memory or thinking problems. Delirium is typically an acute or subacute fluctuating change in mental status, while dementia is a chronic progressive cognitive decline. The guideline covers diagnosis, imaging, and treatment of Alzheimer's disease and related dementias (ADRD) in primary care, emergency departments, and neurology settings.
The guideline notes that the field of ADRD diagnosis and treatment is changing rapidly, especially with new imaging and blood-based biomarkers. As more amyloid-modifying therapies become available, acute care systems need to be aware of potential complications and treatment courses.
This is a narrative review and expert opinion, not a new study. It does not report specific numbers or compare treatments. The main takeaway is that clinicians should carefully assess whether a patient's confusion is due to delirium or dementia, as the two conditions require different approaches.
For patients and families, this guideline reinforces the importance of a thorough evaluation when memory or cognitive concerns arise. If you or a loved one experiences sudden confusion, seek medical attention promptly, as delirium may be reversible.