Dementia   

E.g., amyloid PET, CSF amyloid, blood-based amyloid.

Specifically, what guidelines do you use to help determine this (if any)? 

Related Q&A on antipsychotics in Alzheimer's.In light of the publication from Choma et al., PMID 41063545.

E.g., primary progressive aphasia

Would you consider benzodiazepines for agitation in progressive supranuclear palsy? What other treatment strategies would you consider?