Abstract Doctor J joined the A&E team as a locum senior house officer to cover sick leave. She had trained in New Zealand and had been doing a number of locums in the UK over the last year. Sister T had been working with Doctor J for three days and found her work to be of a very high standard. She was confident and skilled in all aspects of A&E care and the rest of the staff enjoyed working with her. At 11 am one Friday morning, Staff Nurse R reported to Sister T that she could not find Doctor J. On conducting a search of the department, the staff toilet was found to be locked with no answer to knocking. The cubicle was broken into the Doctor J was found unconscious with an empty ampoule of pethidine and a needle still in situ in her thigh muscle. Doctor J was quickly transferred to the resuscitation room, where she was successfully resuscitated. What would be the most appropriate next steps?