A 45yo IV drug abuser is brought into the ED with complaint of fever, shivering, malaise, SOB
and productive cough. Exam: temp=39C, pulse=110bpm, BP=100/70mmHg. Inv: CXR=bilateral
cavitating bronchopneumonia. What is the single most likely causative organism?
a. Mycoplasma
b. Staphylococcus
c. Chlamydia pneumonia
d. Pseudomonas
e. PCP (pneumocystitis pneumonia)
answer: B
- IV drug abuser, Bilateral cavitiation point to staph pneumonia
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