The ER is a highly erratic and error-prone environment where continuous organizational learning is an important part of providing good quality medical care. The article aims to evaluate how closed circuit video system is used in the ER department based on qualitative interviews with staff members. The results show that the system is used to improve work processes and treatment decisions as well as aid in professional training. Often video recordings provide the most objective information about a critical situation. The staff considers the system to protect and help professionals in their work and the security measures to be sufficient to protect patients.