Introduction: Emergency medical services as well as other health care providers follow the standards of care that include both the organization of services and the medical care. Method: The aim of the article is to identify, by means of qualitative research method - thematic analysis - individual standards or parts of regulations applicable to the emergency medical services environment, which can be improved by standardization of the procedure, including the application of guidelines, algorithms, checklists and other cognitive aids, to improve safety of patients. Results: Four documents were identified in which areas for standardization were searched and four groups of codes were identified - (1) General recommendations for improving care, (2) Standardizing health care, (3) Standardizing communication, (4) Technical and organizational processes. Conclusion: All analysed documents contain areas suitable for process standardization. The analysis shows that the biggest area for standardization is the medical care. Non-technical skills are also at the forefront, and a lot of space is also devoted to communication, especially in the area of handover of information about patients. The last area is the management and application of drugs, the prevention of infections and the technical preparation of equipment.