“…Here, we report a rare case of severe nocardia infection revealed by initial cardiac tamponade, in a non-HIV patient. Acute pericarditis due to Nocardia is scarcely reported (1); the few reports are mainly in immunodeficient patients, such as AIDS (2), or in patients with other predisposing factors like alcoholism (3), or with immunologic disorders such as mixed connective tissue disease (4). Cardiac tamponade is rarely described (5)(6)(7).…”