MRSA Nasal Screen in Pneumonia
2 patients are admitted to the for pneumonia
and started on empiric antibiotics including vancomycin. A MRSA
screen is collected for both patients.
Patient 1: CAP with septic shock and
MRSA screen
Patient 2: Β non-severe CAP and
MRSA screen
Which patient is the WORSE candidate for de-escalation off vancomycin?
How did others respond?

Reveal the answer
Best Answer:
Patient 1 π¨πΎβπ¦²
Explanation: MRSA π screening has a high NEGATIVE PREDICTIVE VALUE in MRSA pneumonia. Empiric MRSA antibiotics can be STOPPED in patients with pneumonia and a negative MRSA screen.
MRSAπscreens have a low POSITIVE PREDICTIVE VALUE and a β screen DOES NOT diagnose MRSA pneumonia π¦