Emergency Medicine
18 calculators
Rapid assessment calculators for trauma, poisoning, syncope, chest pain, and clinical decision rules in the emergency department.
Related Categories
CURB-65 Score
CURB-65 severity score for community-acquired pneumonia.
EmergencyGlasgow Coma Scale
Glasgow Coma Scale.
EmergencyShock Index
Calculates Shock Index from heart rate and systolic blood pressure.
EmergencyNational Early Warning Score 2 (NEWS2)
National Early Warning Score 2 (NEWS2).
EmergencyQuick SOFA (qSOFA) Score
Quick Sequential Organ Failure Assessment (qSOFA) for identifying patients at high risk of poor outcomes from suspected infection.
EmergencyMean Arterial Pressure (MAP)
Calculates Mean Arterial Pressure from systolic and diastolic blood pressure.
CardiologyHeart Rate
Calculates heart rate from the number of beats counted over a measured time interval.
CardiologyPERC 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.
EmergencyWells Score (PE)
Wells criteria for pulmonary embolism — pre-test clinical probability of PE to guide D-dimer testing and imaging.
EmergencyWells Score (DVT)
Wells criteria for deep vein thrombosis — pre-test clinical probability of DVT to guide D-dimer testing and compression ultrasound.
EmergencyHEART Score
HEART score for risk stratification of undifferentiated chest pain in the emergency department, predicting 6-week risk of major adverse cardiac events (MACE).
EmergencySIRS 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.
EmergencyCRB-65
CRB-65 severity score for community-acquired pneumonia risk stratification, usable without laboratory testing (Confusion, Respiratory rate, Blood pressure, age 65+).
EmergencyPSI / PORT Score
Pneumonia Severity Index (PSI / PORT score) for 30-day mortality risk stratification in community-acquired pneumonia to guide site-of-care decisions.
EmergencyRevised Trauma Score
Revised Trauma Score (RTS) using coded Glasgow Coma Scale, systolic blood pressure, and respiratory rate to triage trauma patients and predict survival.
EmergencyParkland 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.
EmergencyAlvarado 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.
EmergencyRumack-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