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0. ld : 4005 Prev1ous Ne>tt Lab Values Notes Calculator Reverse Color Text Zoom
A 7-month-old boy is brought to the physician due to
fever, fussiness, and decreased wet
diapers for the past week. He has no medical problems
and takes no medications. His
immunizations are up-to-date. His temperature is 39.4 C
(1 03 F). Examination shows a
tired-appearing boy with an uncircumcised penis.
Laboratory results are as follows:
Complete blood count
Hemoglobin
Hematocrit
Platel.ets
Leukocytes
Neutrophils
Serum chemistry
Sodium
Potassium
Chloride
Bicarbonate
Blood urea
nitrogen
Creatinine
13 g/dL
40%
205,.000/J.IL
15, 800/J.l L
80%
135 mEq/L
4.5 mEq/L
100 mEq/L
26 mEq/L
20 mg/dL
1.4 mg/dL
Which of the following is the best next step in
management of this patient?
0 A Abdominal ultrasound
0 B. Clean-catch urinalysis and urine culture
0 C. CT scan of the abdomen
0 D. Intravenous pyelogram
0 E. Urethral catheterization, urinalysis, and urine culture
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