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Emergency intraosseous access — ABEM Board MCQ

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HardProcedures and resuscitationEmergency intraosseous accessABEM Board

A 5-year-old in septic shock arrives as triage level 1. Two peripheral IV attempts fail, mental status is worsening, BP is 64/34 mm Hg, and antibiotics and fluids are ready at bedside. Which of the following is the most likely diagnosis?

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

Reveal the answer and explanation

Correct answer: ENeed for intraosseous vascular access

In shock, intraosseous access is appropriate when peripheral IV access cannot be rapidly obtained, especially in children requiring immediate fluids and medications.

Reference: PALS 2025 guidance; ABEM EM Model