Emergency & Trauma Calculators
14 calculators.
ABC Score for Massive TransfusionThe ABC (Assessment of Blood Consumption) score gives 1 point each for penetrating…Canadian C-Spine RuleFor alert (GCS 15), stable adult trauma patients: image the cervical spine if any…Canadian CT Head RuleFor adults with minor head injury (GCS 13–15 after witnessed loss of consciousness,…Canadian Syncope Risk Score (CSRS)The Canadian Syncope Risk Score (−3 to 11) estimates 30-day serious adverse events after…NEXUS Criteria for C-Spine ImagingAfter blunt trauma, cervical spine imaging is not required if all five NEXUS low-risk…Ottawa Ankle RulesAnkle X-ray is indicated if there is malleolar-zone pain plus bone tenderness at the…Ottawa Knee RuleAfter acute knee injury, knee X-ray is indicated if any: age ≥55, isolated patellar…Ottawa Subarachnoid Hemorrhage (SAH) RuleFor alert patients ≥15 years with new severe non-traumatic headache peaking within 1…Parkland Formula for Burn ResuscitationParkland: 24-hour crystalloid (Ringer's lactate) = 4 mL × weight (kg) × %TBSA burned…PECARN Pediatric Head Injury Rule (< 2 years)For children <2 years with minor head trauma (GCS 14–15): CT recommended if GCS…PECARN Pediatric Head Injury Rule (≥ 2 years)For children 2–17 years with minor head trauma (GCS 14–15): CT recommended if GCS…Revised Trauma Score (RTS)The Revised Trauma Score weights coded GCS, systolic BP and respiratory rate: RTS =…Rule of Nines (Adult Burn TBSA)Wallace rule of nines estimates adult burn size: head/neck 9%, each arm 9%, anterior…San Francisco Syncope RuleThe San Francisco Syncope Rule (CHESS) flags ED syncope patients at risk of a serious…