PubMed:: "Delirium"[Mesh] OR delir*[tiab] OR delier[tiab] OR acute confusion*[tiab];; Embase.com:: 'delirium'/exp OR delir*:ab,ti OR delier:ab,ti OR (acute NEXT/1 confusion*):ab,ti;; CINAHL:: (MH "Delirium" OR TI (delir* OR delier OR "acute confusion*") ) OR AB ( (delir* OR delier OR "acute confusion*") );; PsycInfo:: (DE "Delirium" OR TI (delir* OR delier OR "acute confusion*") ) OR AB ( (delir* OR delier OR "acute confusion*") );; Cochrane Library:: (delir* or delier or "acute confusion*"):ti,ab,kw
