“…Aside from pulmonary parenchymal disease, purulent pericarditis is associated with other infections of the mediastinum and neck, such as empyema, mediastinitis from dental infection, intracardiac medical devices, eroding intrathoracic malignancies, and endocarditis and bacteremia . The microbiology of purulent pericarditis reflects this, with Staphylococcus , Streptococcus , Haemophilus , and Mycobacterium tuberculosis predominating, though atypical organisms such as Candida and Salmonella have been described.…”