Step 1

Microbiology 4

A 62-year-old man is brought to the emergency department after his roommate found him with altered consciousness. The roommate reports that the patient has had three days of high fevers and cough with shortness of breath for the past day. He also reports that the patient has had chills, nausea, and dark sputum when he coughs. Medical history is significant for hypertension, 60 pack-year smoking history, heavy alcohol use, liver disease, and a hospitalization for Pseudomonas pneumonia 6 weeks ago. Physical examination shows an emaciated man with a decreased level of consciousness. Cardiopulmonary examination reveals tachycardia decreased breath sounds in the right lower lung field. Chest x-ray shows an infiltrate in the right lower lobe.

Which of the following is the most appropriate treatment option?

  • A) Cefepime plus doxycycline
  • B) Ceftriaxone plus azithromycin
  • C) Ceftriaxone plus linezolid
  • D) Doxycycline plus linezolid
  • E) Vancomycin plus doxycycline


Dr. Ted O'Connell


Dr. Ted O'Connell

Last updated

May 10, 2022


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