صفاء،سيدي يخلفآمال،زاوي2026-11-092026-11-092026https://dspace.univ-temouchent.edu.dz/handle/123456789/7782This study aimed to investigate the impact of Type D personality on the development of cardiovascular diseases through the clinical study of two cardiac patients. The research adopted the clinical method and case study approach, using three psychological scales: the Type D Personality Scale (DS14), the Perceived Stress Scale (PSS), and the Hospital Anxiety and Depression Scale (HADS). The findings revealed that the first case showed very high levels of negative affectivity, social inhibition, psychological stress, anxiety, and depression, associated with stress-induced cardiomyopathy (Takotsubo cardiomyopathy). The second case showed moderate levels of stress and negative emotions associated with coronary artery disease. The study confirmed that Type D personality, characterized by negative affectivity and social inhibition, contributes to an increased risk of cardiovascular diseases. The findings also highlighted the important role of psychological and social factors in understanding heart diseases.otherType D personalityCardiovascular diseasesNegative affectivitySocial inhibitionThesis