Abstract: The subject of this study is the clinical manifestations and psychological determinants of burnout syndrome in functional diagnostic physicians. The specificity of the professional activities of this group is considered, including work in dimly lit rooms, prolonged static positions, high patient volume, and lack of feedback on diagnostic results. The inadequacy of the classical three-component model by C. Maslach to describe burnout in this category of specialists is analyzed. The article examines profession-specific domains: emotional-sensory exhaustion, musculoskeletal distress, technical dehumanization, reduction of achievements in the form of professional fatalism, and cognitive impairments. Personal, emotional, and cognitive variables are investigated as moderators of the relationship between organizational working conditions and clinical manifestations of exhaustion. Special attention is given to a comparative analysis of the psychological profiles of functional diagnostic physicians and therapeutic specialists to identify profession-related differences in the structure of burnout. An empirical study was conducted on a sample of 228 functional diagnostic physicians and 80 therapeutic doctors. A set of psychodiagnostic methods was used: MBI, TAS-20, the EmIn emotional intelligence questionnaire, Lazarus's coping strategies questionnaire, and an author’s questionnaire on somatic symptoms. Descriptive statistics, correlational, factor, and multiple regression analyses were applied. The scientific novelty of the research lies in the empirical verification of the five-factor structure of burnout syndrome in functional diagnostic physicians, which is not reducible to the classical triad. New constructs – “professional fatalism” and “technical dehumanization”–have been introduced and operationalized. It was established that the combined contribution of psychological variables to the severity of burnout (alexithymia, maladaptive coping strategies, intrapersonal emotional intelligence) is three times greater than the contribution of organizational factors. A clinical-psychological model has been developed that integrates professional-environmental, clinical, and psychological factors, and directions for prevention have been substantiated considering the professional specifics of functional diagnostic physicians. Dose-dependent differences in psychological variables were identified in groups with low, medium, and high levels of burnout, with the most pronounced differences noted in maladaptive coping strategies. The proposed model reveals the dynamic nature of relationships between levels of factors and indicates a vicious cycle, in which clinical symptoms, intensifying, modify the psychological characteristics of the specialist, increasing their vulnerability to professional stressors.

Keywords: burnout syndrome, doctors of functional diagnostics, clinical-psychological model, professional fatalism, technical dehumanization, prevention, alexithymia, coping strategies, emotional intelligence, psychological determinants