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A 67-year-old woman with a history of hypertension presented to the hospital after 1 week of fever, cough, and dyspnea. Physical examination demonstrated a temperature of 39°C, respiratory rate of 24 breaths/min, and inspiratory crackles auscultated at the left lung base. A chest radiograph showed a left lower lobe infiltrate. Findings from laboratory studies were notable for a blood urea nitrogen level of 21 mg/dL (to convert to millimoles per liter, multiply by 0.357). The patient was admitted to the general medicine inpatient service and started on ceftriaxone and azithromycin therapies for community-acquired pneumonia. During hospital day 1, the patient noted improvement in her symptoms. On attending physician rounds, a plan was made for transition to oral antibiotics on the following day, with consideration for discharge.
LeBude B, Diemer G. Routine Blood Cultures for the Febrile InpatientA Teachable Moment. JAMA Intern Med. 2014;174(10):1546-1547. doi:10.1001/jamainternmed.2014.3687