Emergency decision rules
16 of 326 calculators
- Canadian CT HeadCanadian CT Head RuleWhich adults with minor head injury need a CT.
- Canadian C-SpineCanadian C-Spine RuleWhich alert, stable trauma patients need cervical spine imaging.
- NEXUSNEXUS criteria for cervical spine imagingFive criteria that, when all absent, rule out the need for cervical spine imaging.
- PECARN headPECARN pediatric head injury ruleRisk of clinically important brain injury and CT decision in children with minor head trauma.
- Ottawa ankleOttawa ankle and foot rulesWhether an ankle or foot X-ray is needed after injury.
- Ottawa kneeOttawa knee ruleWhether a knee X-ray is needed after acute injury.
- Ottawa SAHOttawa subarachnoid hemorrhage ruleWhich patients with acute headache need investigation for subarachnoid hemorrhage.
- SF syncopeSan Francisco syncope rule (CHESS)Identifies syncope patients at risk of serious outcomes within 7 days.
- ADD-RSAortic dissection detection risk score (ADD-RS)Pretest probability of acute aortic dissection.
- AlvaradoAlvarado score for appendicitisLikelihood of acute appendicitis from symptoms, signs, and labs.
- PASPediatric Appendicitis Score (Samuel)Appendicitis likelihood in children 4 to 15 years.
- KocherKocher criteria for pediatric septic hipSeparates septic arthritis from transient synovitis of the hip in children.
- LRINECLRINEC score for necrotizing soft tissue infectionLaboratory risk indicator for necrotizing fasciitis.
- Centor (McIsaac)Centor score (McIsaac modification) for strep pharyngitisLikelihood of group A streptococcal pharyngitis and testing advice.
- RTSRevised Trauma ScorePhysiologic trauma severity from GCS, systolic BP, and respiratory rate.
- SIPAPediatric age-adjusted shock index (SIPA)Shock index with age-specific cutoffs for injured children.
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