A 22-year-old woman with systemic lupus erythematosus develops cardiac tamponade

Introduction Systemic lupus erythematosus (SLE) is a common cause of pericardial effusion and acute pericarditis, but very rarely it can cause cardiac tamponade.1 We describe the case of a young female with SLE who developed cardiac tamponade after finishing treatment for acute pericarditis with a small pericardial effusion