[Delirium and Covid-19 in the old adults: practical implications].

Covid-19 is the pathology associated with infection with the pandemic SARS-Cov-2 coronavirus. In people over 75 years of age, several studies alert clinicians to specificities. In particular, the confusion, acute brain failure, appears to be linked to Covid-19. This review of the literature explores the implications for practice of the presence of delirium during Covid-19 at the level of: epidemiology, pathophysiology, diagnostic phase, prerequisites and management. It also details the implications of post-acute infection.