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4975 Pediatrics

A 2-year-old boy has been doing well despite his diagnosis of tetralogy of Fallot. He presented to an outside ER a few days ago with a complaint of an acute febrile illness for which he was started on a “pink, bubble-gum tasting antibiotic.” His mother reports that for the past 12 hours or so he has been holding his head saying it hurts and he is less active than normal. On your examination, he seems to have a severe headache, nystagmus, and ataxia. Which of the following would be the most appropriate first test to order?

AUrine drug screen
BBlood culture
CLumbar puncture
DCT or MRI of the brain
Pediatrics
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