Ep 212 PECARN Febrile Young Infant Prediction Tool: When To Safely Forgo LP and Empiric Antibiotics

Ep 212 PECARN Febrile Young Infant Prediction Tool: When To Safely Forgo LP and Empiric Antibiotics

January 27, 2026 · 48 min

About this episode

This episode discusses the updated approach to managing febrile young infants, focusing on when to safely forgo lumbar puncture and empiric antibiotics.

If you’ve been practicing EM for more than a decade, your approach to the febrile young infant has (appropriately) evolved. For years, the default was LP + empiric antibiotics + admission for almost everyone. That approach prevented missing meningitis, but at the cost of a lot of harm: invasive testing, unnecessary antibiotics, and hospitalization-related complications. The modern approach is a paradigm shift toward risk stratification, biomarkers, and shared decision-making, while still respecting one immutable truth: Missing neonatal bacterial meningitis can be catastrophic. This episode revisits the framework from a prior EM Cases episode and updates it with a landmark study that directly informs how far we can safely go—especially in the 0–28 day group, with the father of multiple well-known PECARN rules Dr. Nathan Kuppermann and lead author Dr. Brett Burstein...

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