Case Presentation: Purulent pericarditis is rare in the post-antibiotic era. Even rarer is purulent pericarditis caused by Streptococcus Constellatus causing purulent pericarditis in an immunocompetent patient. Here we present a case of an immunocompetent patient who acquired this infection from an unknown source and deteriorated rapidly in spite of optimal medical therapy.A 68-year-old female presented […]