Neurological Symptoms

Week 9 Assignment 
HH is a 68 yo M who has been admitted to the medical ward with community-acquired pneumonia for the past 3 days. 
His PMH is significant for COPD, HTN, hyperlipidemia, and diabetes. 
He remains on empiric antibiotics, which include ceftriaxone 1 g IV qday (day 3) and azithromycin 500 mg IV qday (day 3). 
Since admission, his clinical status has improved, with decreased oxygen requirements. He is not tolerating a diet at this time with complaints of nausea and vomiting.
Ht: 5’8” Wt: 89 kg Complex Case 
Allergies: Penicillin (rash)