Emergency
17 calculators
Acute care and emergency medicine tools for trauma scoring, sepsis screening, clinical decision rules, and resuscitation guidance.
Related Specialties
CURB-65 Score
CURB-65 severity score for community-acquired pneumonia.
Emergency MedicineGlasgow Coma Scale
Glasgow Coma Scale.
Emergency MedicineShock Index
Calculates Shock Index from heart rate and systolic blood pressure.
Emergency MedicineNational Early Warning Score 2 (NEWS2)
National Early Warning Score 2 (NEWS2).
Emergency MedicineQuick SOFA (qSOFA) Score
Quick Sequential Organ Failure Assessment (qSOFA) for identifying patients at high risk of poor outcomes from suspected infection.
Emergency MedicinePERC Rule
Pulmonary Embolism Rule-Out Criteria (PERC) for identifying patients in whom PE can be safely ruled out without further testing when clinical pre-test probability is low.
Emergency MedicineWells Score (PE)
Wells criteria for pulmonary embolism — pre-test clinical probability of PE to guide D-dimer testing and imaging.
Emergency MedicineWells Score (DVT)
Wells criteria for deep vein thrombosis — pre-test clinical probability of DVT to guide D-dimer testing and compression ultrasound.
Emergency MedicineHEART Score
HEART score for risk stratification of undifferentiated chest pain in the emergency department, predicting 6-week risk of major adverse cardiac events (MACE).
Emergency MedicineSOFA Score
Sequential Organ Failure Assessment (SOFA) score quantifying six organ systems (respiratory, coagulation, liver, cardiovascular, neurologic, renal) in critically ill patients.
Critical CareSIRS Criteria
Systemic Inflammatory Response Syndrome (SIRS) criteria — the presence of two or more criteria (temperature, heart rate, respiratory rate, white blood cell count) indicates SIRS.
Emergency MedicineCRB-65
CRB-65 severity score for community-acquired pneumonia risk stratification, usable without laboratory testing (Confusion, Respiratory rate, Blood pressure, age 65+).
Emergency MedicinePSI / PORT Score
Pneumonia Severity Index (PSI / PORT score) for 30-day mortality risk stratification in community-acquired pneumonia to guide site-of-care decisions.
Emergency MedicineRevised Trauma Score
Revised Trauma Score (RTS) using coded Glasgow Coma Scale, systolic blood pressure, and respiratory rate to triage trauma patients and predict survival.
Emergency MedicineParkland Formula
Parkland (Baxter) formula for initial crystalloid resuscitation of adults with thermal burns: 4 mL/kg/%TBSA over 24 hours, with half in the first 8 hours and half over the following 16 hours.
Emergency MedicineAlvarado Score (Appendicitis)
Risk-stratifies patients with suspected acute appendicitis using the Alvarado (MANTRELS) scoring system. Assists in clinical decision-making regarding imaging, observation, and surgical consultation.
Emergency MedicineRumack-Matthew Acetaminophen Nomogram
Determines whether N-acetylcysteine (NAC) treatment is indicated following a single acute acetaminophen (paracetamol) ingestion, based on the serum acetaminophen concentration and time since ingestion.
Emergency Medicine