Paediatrics · Emergency Medicine

Brief Resolved Unexplained Events (BRUE) Criteria calculator

Enter the published formula inputs below to calculate and interpret this score.

Clinical inputs

Age <1 year (infant)Event lasted <1 minute (typically <20–30 s)Infant returned to baseline appearance and vital signs≥1 defining feature present during the eventNo explanatory diagnosis after appropriate evaluation

Result

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Does not meet BRUE definition

Band: Does not meet BRUE definition

Interpretation. Does not meet BRUE definition

Suggested management. Does not meet BRUE; evaluate for alternative explanations of the apparent life-threatening event.

Brief Resolved Unexplained Events (BRUE) Criteria: 0 — Does not meet BRUE definition. Interpretation: Does not meet BRUE definition What to do: Does not meet BRUE; evaluate for alternative explanations of the apparent life-threatening event. Inputs: Age <1 year (infant): false; Event lasted <1 minute (typically <20–30 s): false; Infant returned to baseline appearance and vital signs: false; ≥1 defining feature present during the event: false; No explanatory diagnosis after appropriate evaluation: false Source: Tieder JS et al. Brief Resolved Unexplained Events (Formerly Apparent Life-Threatening Events) and Evaluation of Lower-Risk Infants. Pediatrics. DOI: 10.1542/peds.2016-0590. PMID: 27244835. Scope: BRUE is an event in an infant <1 year that is brief (<1 min), resolved, and unexplained after history and exam, with ≥1 of cyanosis/pallor, absent/decreased/irregular breathing, marked change in tone, or altered responsiveness. (2016)

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Clinical inputs

Age <1 year (infant)
Event lasted <1 minute (typically <20–30 s)
Infant returned to baseline appearance and vital signs
≥1 defining feature present during the event
No explanatory diagnosis after appropriate evaluation

Primary source

Tieder JS et al. Brief Resolved Unexplained Events (Formerly Apparent Life-Threatening Events) and Evaluation of Lower-Risk Infants. Pediatrics. DOI: 10.1542/peds.2016-0590. PMID: 27244835. Scope: BRUE is an event in an infant <1 year that is brief (<1 min), resolved, and unexplained after history and exam, with ≥1 of cyanosis/pallor, absent/decreased/irregular breathing, marked change in tone, or altered responsiveness. (2016)

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