Penicillin G-resistant viridans group streptococcal endocarditis and interpretation of the American Heart Association's Guidelines for the Treatment of Infective Endocarditis

Clin Infect Dis. 2008 Apr 1;46(7):1064-6. doi: 10.1086/529199.


We report a case of endocarditis due to a penicillin-"resistant" Streptococcus parasanguinis, discuss interpretations of the American Heart Association's guidelines for the treatment of viridans group streptococcal infection, and comment on therapy for infective endocarditis due to penicillin-resistant viridans group streptococci.

Publication types

  • Case Reports

MeSH terms

  • Anti-Bacterial Agents / pharmacology*
  • Endocarditis, Bacterial / microbiology*
  • Humans
  • Male
  • Microbial Sensitivity Tests
  • Middle Aged
  • Penicillin G / pharmacology*
  • Penicillin Resistance*
  • Practice Guidelines as Topic
  • Streptococcal Infections / microbiology*
  • Viridans Streptococci / drug effects*
  • Viridans Streptococci / isolation & purification*


  • Anti-Bacterial Agents
  • Penicillin G