Summary of Staphylococcus aureus
Flashcards on Staphylococcus aureus
is the type of pneumonia that Staphylococcus aureus causes.
Questions on Staphylococcus aureus
A 32-year-old man comes to the office because he noticed a painful lump in his buttock. His medical history is noncontributory, except that he currently works as a fitness trainer. Physical exam shows increased local temperature, tenderness, and induration in his right buttock. A surgical drainage is scheduled and 40cc of pus are collected. A few days after, the patient's condition deteriorates despite antibiotic therapy with dicloxacillin and surgical drainage. His temperature is 38.6°C (103.1°F), pulse is 100/min, respirations are 18/min, blood pressure is 120/70 mmHg. A gram stain is obtained and shown below.
At this point, which of the following is the most likely mechanism of drug resistance in this organism?