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Central line infection prevention — USMLE Step 3 MCQ

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ModerateEthics, Patient Safety, Quality Improvement, Systems-Based PracticeCentral line infection preventionUSMLE Step 3

An ICU has increased central line-associated bloodstream infections. Observation shows inconsistent chlorhexidine skin preparation and variable catheter necessity review. Which of the following is the most appropriate quality improvement measure?

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

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Correct answer: C — Implement an insertion and maintenance bundle with daily line-necessity review

Central line bundles including sterile insertion practices and daily necessity review reduce line-associated infections.

Reference: AMA Code of Medical Ethics; AHRQ patient safety guidance