Impact of clinical pharmacists in the emergency department of an Australian public hospital: A before and after study.

Objective: To evaluate the impact of an ED pharmacy service on ED clinical staff and hospital pharmacist activity.

Methods: A prospective study measuring pharmacist activities and surveying ED staff attitudes and experience before and after commencement of an ED pharmacy service.

Results: There were 2275 and 2072 hospital-wide pharmacist occasions of service recorded over a 1 month period before and after implementation of the ED pharmacy service, respectively; 339 (16.