Definitions

Appointed person – The individual who:

Takes charge following illness or injury at work.
Maintains first aid equipment. In most cases this means ensuring the first aid box is stocked and restocked.

First aider – A person who has undergone an approved training course and holds a certificate for first aid at work.

Departmental first aid coordinator – The person responsible for:

Undertaking an assessment of the needs of a work area.
Liaising with other parties when needed on first aid matters e.g. the occupational health service and safety personnel.
Coordinate cover within a building when appropriate to cover other departments.
Ensuring the required equipment and number of certificated first aiders are available within their area of responsibility.

People can hold more than one of the above remits.