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Rochester Criteria (Fever in Young Infants)

Low risk if zero adverse criteria are present (teaching).

Calculator

Mark each adverse finding present:

Ill appearance Hypothermia (rectal temp <=38 C) Leukocytosis (WBC outside 5,000-15,000/mm3) Bandemia (>1,500 bands/mm3) UTI/pyuria (>10 WBC/hpf) Focal bacterial infection on exam Home temperature >39.4 C before presentation Not previously healthy term infant

Rochester

How it works

Rochester criteria stratify febrile young infants (teaching).

Limits

Age and lab definitions must match local policy.

Educational tool only—not for diagnosis or treatment decisions.

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