<p>System for documenting events and information in relation to patient treatment connected to a storage (9) containing previous documented events and information about at least one patient where documented events and information is categorised and searchable. The system comprises a set of procedures (5) for examinations and operations of patients including a set of actions. The system comprises a tool for collecting and analysing documented events and information from the storage related to the actions in the procedure (5). The system is arranged to categorise and tore actions and information registered during the performance of procedures (5) in the storage (9).</p>