04-13-2007, 11:14 PM
A patient with large, penetrating vegetations on his mitral and aortic valves develops severe headaches.
Funduscopic examination reveals papilledema. CT scan of the brain demonstrates a ring-enhancing
lesion. Which of the following organisms is the most likely cause of the patient's disorder?
A. Herpesvirus
B. Mycobacterium tuberculosis
C. Staphylococcus aureus
D. Streptococcus pneumoniae
E. Treponema pallidum
Funduscopic examination reveals papilledema. CT scan of the brain demonstrates a ring-enhancing
lesion. Which of the following organisms is the most likely cause of the patient's disorder?
A. Herpesvirus
B. Mycobacterium tuberculosis
C. Staphylococcus aureus
D. Streptococcus pneumoniae
E. Treponema pallidum