Cohort Studyhigh evidence
PERC-Peds rule for bedside exclusion of pulmonary embolism without radiation in children in the USA (BEEPER): a multicentre, prospective, observational, diagnostic accuracy study.
The Lancet. Respiratory medicine·July 3, 2026·PMID 42398511
Why it mattersEmergency physicians lack evidence-based tools to safely rule out pulmonary embolism in children without radiation or invasive testing. PERC-Peds offers a validated, bedside method to reduce low-value imaging and D-dimer testing in this population.
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