A 68-year-old female is admitted to the hospital with an acu…
A 68-year-old female is admitted to the hospital with an acute exacerbation of chronic obstructive lung disease. She is intubated for worsening hypercarbia and transferred to the medical ICU. On day 8 of her ICU stay, she is felt to be clinically improving and close to extubation readiness when she develops intermittent desaturation and increased tracheal secretions. A portable chest radiograph demonstrates a new right lower lobe infiltrate. A tracheal aspiration is obtained for culture. Which of the following would be appropriate intravenous antibiotic regimen?