Q63
Single choice
An 11-month-old girl presents to your office with a fever of 39°C she has had for 2 days. She has also vomited frequently and had decreased fluid intake. She looked tired and ill but on examination, had no apparent source of infection. She
appeared to be 510% dehydrated. Her urinalysis shows a urine specific gravity of 1.030, trace blood, and protein. Nitrite and leukocyte esterase are both positive. Microscopic examination of unspun urine shows >100 white blood cells (WBCs) and 05 red blood cells (RBCs) per high-power field, as well as many bacteria. Aurine culture is sent.
Which of the following is the most appropriate management plan?