You are analyzing the CSF results from a lumbar puncture per…

You are analyzing the CSF results from a lumbar puncture performed on a previously healthy 5 year old who presented with low grade fever, fatigue and severe headache. Opening pressure was 11, WBC count was 12, protein was mildly elevated and glucose was normal. What is the MOST likely diagnosis?

A 1-month-old male infant is brought to the emergency depart…

A 1-month-old male infant is brought to the emergency department because he has been having seizures for the past 30 minutes The mother has a history of alcohol use while she was pregnant with the patient. Physical examination shows hypertelorism, shortened philtrum, and low-set ears. Laboratory studies show hypocalcemia and hyperphosphatemia. Chest x-ray study shows absence of a thymic shadow. After stabilizing the patient’s condition and before discharge, which of the following is the most appropriate screening test?