A 71-year-old woman is evaluated in the emergency department for a 4-day history of progressively worsening productive cough, fever, and shortness of breath. Her past medical history is notable for type 2 diabetes mellitus, hypertension, and osteoarthritis. She lives independently at home. Her temperature is 38.8°C (101.8°F), blood pressure is 88/56 mmHg, pulse is 118/min, and respiratory rate is 32/min. Oxygen saturation is 89% on room air and improves to 94% on 4 L/min via nasal cannula. She is alert and oriented to person, place, and time.
Physical examination reveals coarse crackles and bronchial breath sounds over the right middle and left lower lung fields.
Laboratory results are as follows:
Leukocyte count: 16,500/mm³
Blood urea nitrogen: 34 mg/dL
Creatinine: 1.3 mg/dL
Platelet count: 180,000/mm³
A chest radiograph demonstrates dense alveolar infiltrates in the right middle and left lower lobes. Following the administration of 1.5 L of intravenous normal saline, her blood pressure improves to 106/64 mmHg. Empiric intravenous antibiotics are initiated.
Which of the following is the most appropriate disposition for this patient?
- AAdmission to the general medical ward
- BTransfer to a skilled nursing facility for intravenous antibiotics
- Admission to the intensive care unitCevap
- DAdmission to a hospital observation unit
- EDischarge home with a prescription for oral levofloxacin