Review Question - QID 109039

A 38-year-old female presents to the emergency department for cough. She reports that two days ago she developed a nonproductive cough with moderate shortness of breath. On review of systems, the patient also endorses chills and sweats as well as several episodes of diarrhea over the past three days. Her husband also reports that the patient seemed confused this morning when he spoke to her before he left for work. The patient’s past medical history is significant for diabetes mellitus type II for which she takes metformin and glipizide. She drinks 8-10 beers per week and has a 15 pack-year smoking history. She works as a sales manager at a local retail company. Her temperature is 102.6°F (39.2°C), blood pressure is 126/72 mmHg, pulse is 82/min, and respirations are 18/min. On physical exam, she is alert and oriented to person and place only. She has crackles bilaterally extending up to the mid-lung fields. Her abdomen is soft and non-distended without rebound or guarding. Laboratory testing is performed and reveals the following:
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