Which of the following is the most likely causative organism? A. Staphylococcus epidermidis B. Enterococcus species C. Klebsiella pneumoniae D. Streptococcus species

Understand the Problem

The question presents a clinical scenario of a 62-year-old man with specific symptoms and asks which organism is most likely to be the cause of his condition. It relates to identifying the causative agent of a possible infection.

More Information

Streptococcus species are a common cause of native valve infective endocarditis, especially in patients without previous surgery history. Streptococcus viridans group is especially known for this.

Tips

Ensure the symptoms clearly match typical presentations of endocarditis to guide you toward the right organism.

Sources

• Infective Endocarditis - Medscape Reference - emedicine.medscape.com