The Difficulties of Diagnosing a Rare Entity in a Common Situation

Acute purulent pericarditis is rare and more prevalent in the pre-antibiotic era with high mortality, around 40% despite optimal treatment. The diagnosis can be difficult, requiring practice of a pericardiocentesis cases index suspicion. When such entity coincides another one frequently become tricky. We present case man previous thoracic surgery who was admitted due to an ST Elevation Myocardial Infarction (STEMI) finally diagnosed Methicillin Susceptible Staphylococcus Aureus (MSSA) cardiac surgery. main difficulty, this case, differentiation between hemopericardium pericardium. Despite initial difficulties, systematic study febrile syndrome bacteremia allowed reaching final diagnosis.