Emergency Medicine Calculators & Decision Rules
Emergency medicine requires high-speed, evidence-based decision-making in a high-stakes environment. To prevent cognitive overload during critical resuscitations, emergency physicians require instant access to validated clinical decision rules (CDRs) and trauma scoring systems.
The MedCalc Emergency Medicine Hub is engineered for the realities of the ED. From safely clearing cervical spines using the NEXUS criteria to calculating exact fluid resuscitation volumes via the Parkland Formula, these 100% offline tools ensure you have zero-latency diagnostic support even in hospital dead zones. All algorithms are sourced from landmark studies and current ACEP guidelines.
Sepsis & Hemodynamics
🚑 qSOFA Score Calculator
Quick sepsis-related organ failure assessment tool.
🚑 SOFA Score Calculator
Comprehensive Sequential Organ Failure Assessment.
🚑 SIRS Criteria Calculator
Identify Systemic Inflammatory Response Syndrome parameters.
🚑 Shock Index Calculator
Assess occult hemodynamic instability and bleeding risk.
Trauma & Neuroimaging Rules
🚑 Canadian CT Head Rule
Clinical decision rule for CT imaging in adult head trauma.
🚑 PECARN Head Injury Rule
Pediatric head trauma CT imaging decision rule.
🚑 Canadian C-Spine Rule
High-sensitivity rule to safely clear the cervical spine.
🚑 NEXUS C-Spine Criteria
Determine clinical need for cervical spine imaging.
🚑 RTS Trauma Score
Calculate the Revised Trauma Score for field triage.
🚑 ISS Score Calculator
Calculate Injury Severity Score from anatomical regions.
🚑 TRISS Calculator
Trauma Score – Injury Severity Score mortality prediction.
Burn Assessment & Fluid Resuscitation
🚑 Rule of Nines Tool
Rapid, regional burn surface area estimation.
🚑 TBSA Burns Calculator
Calculate precise total body surface area burned.
🚑 Parkland Formula Calculator
Calculate IV fluid resuscitation volumes for severe burns.
🚑 Pediatric Parkland Formula
Calculate weight-adjusted burn fluids for pediatric patients.
🚑 Baux Score Calculator
Predict probability of mortality in severe burn patients.
Triage & Early Warning Scores
🚑 START Triage Algorithm
Simple Triage and Rapid Treatment for mass casualties.
🚑 NEWS Calculator
National Early Warning Score for acute illness severity.
🚑 MEWS Score Tool
Modified Early Warning Score for inpatient clinical deterioration.
🚑 REMS Score Calculator
Rapid Emergency Medicine Score for ED mortality prediction.
Acute Diagnostics, Airway & Toxicology
🚑 LEMON Airway Assessment
Predict difficulty of airway management and intubation.
🚑 Rumack-Matthew Nomogram
Guide NAC treatment for acetaminophen toxicity.
🚑 TIMI Risk Score (ED)
General TIMI risk calculator for emergency department chest pain.
🚑 SF Syncope Rule
San Francisco Syncope Rule for adverse outcome risk.
🚑 Alvarado Score Calculator
Assess clinical likelihood of acute appendicitis.
🚑 Bell’s Staging Tool
Stage severity of necrotizing enterocolitis.