subacute endocarditis

What Organism Causes Subacute Bacterial Endocarditis? Most cases of acute endocarditis are caused by Staphylococcus aureus, though patients infected with this organism will occasionally run a subacute course. Enterococci are versatile and may produce either acute or subacute endocarditis. The pneumococcus nearly always produces an acute infection. Which organism causes subacute endocarditis? Subacute bacterial endocarditis