label: Subacute Bacterial Endocarditis
label_lc: subacute bacterial endocarditis
description: "Subacute inflammation of the endocardium. Streptococcus viridans is the usual etiologic agent of subacute bacterial endocarditis. The distinction between \"acute\" and \"subacute\" endocarditis has traditionally been made based on the pathogenic organism and clinical presentation."