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Bacterial meningitis — USMLE Step 3 MCQ

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ModerateEmergency MedicineBacterial meningitisUSMLE Step 3

A 41-year-old man has fever, severe headache, photophobia, neck stiffness, and confusion. Blood pressure is stable. CT is not required before lumbar puncture. Blood cultures are obtained. Which of the following is the most appropriate next step in management?

Educational content. Not a substitute for clinical judgement or local policy.

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Correct answer: E — Give empiric intravenous antibiotics immediately

Suspected bacterial meningitis requires immediate empiric antibiotics after blood cultures; LP should not delay treatment.

Reference: Current US clinical practice standards and USMLE Step 3 content outline, https://www.usmle.org/exam-resources/step-3-materials