ADA and tuberculosis: Mutyaba et al. recommend the following diagnostic method for TB pericarditis in endemic locations in their proposal: (1) Obtain biomarkers such as IFN-y or ADA levels in pericardial fluid and confirm tuberculosis in other places to rule out other potentially fatal causes of an inflammatory exudative effusion (e.g., bacterial, neoplastic, or uremic) (e.g., lymph nodes, sputum, or pleural fluid) [8,29].