EMRA Guide
This page contains all of the referenced medical calculators in the EMRA handbook. The links are organized by page number for easy reference.
Table of Contents
Page 3 - HeadachePage 4 - Head InjuryPage 6 - AMSPage 7 - Psychiatric EmergenciesPage 9 - Sore ThroatPage 11 - Shortness of BreathPage 13 - Chest PainPage 21 - LacerationPage 22 - Leg PainPage 23 - Ankle/FootPage 24 - FeverPage 25 - RashPages 28-30 - Dizzy, Weak, Lightheaded, SyncopePage 3 - Headache
Rules out SAH in patients with headache.
Page 4 - Head Injury
Rules out need for head CT in minor head trauma.
Clinically clears cervical spine fracture without imaging in alert, stable trauma patients.
Page 6 - AMS
The CIWA-Ar objectifies severity of alcohol withdrawal.
Predicts likelihood that biochemical thyrotoxicosis is thyroid storm.
Defines the severity of sepsis and septic shock.
Page 7 - Psychiatric Emergencies
Screens for suicidal ideation and behavior.
The CIWA-Ar objectifies severity of alcohol withdrawal.
Objectifies severity of opiate withdrawal.
Quantifies severity of alcohol withdrawal.
Page 9 - Sore Throat
Estimates probability that pharyngitis is streptococcal and suggests management course.
Page 11 - Shortness of Breath
Estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment.
Estimates mortality for adult patients with community-acquired pneumonia.
Objectifies risk of pulmonary embolism.
Rules out PE if no criteria are present and pre-test probability is ≤15%.
Predicts 30-day outcome of patients with pulmonary embolism.
Page 13 - Chest Pain
Predicts 6-week risk of major adverse cardiac events in patients with chest pain.
Identifies chest pain patients with low risk of major adverse cardiac event.
Calculates risk of DVT based on clinical criteria.
Rules out PE if no criteria are present and pre-test probability is ≤15%.
Diagnostic criteria for endocarditis.
Page 21 - Laceration
Doses local anesthetics to help avoid toxic doses.
Page 22 - Leg Pain
Calculates risk of DVT based on clinical criteria.
Screens for necrotizing soft tissue infection.
Distinguishes septic arthritis from transient synovitis in a child with an inflamed hip.
Describes criteria for knee trauma patients so low risk as not to warrant knee imaging.
Defines when knee x-rays are unnecessary, based on the Pittsburgh rules.
Rules out clinically significant foot and ankle fractures to reduce use of x-ray imaging.
Page 23 - Ankle/Foot
Rules out clinically significant foot and ankle fractures to reduce use of x-ray imaging.
Page 24 - Fever
Defines the severity of sepsis and septic shock.
Identifies high-risk patients for in-hospital mortality with suspected infection outside the ICU.
Estimates probability that pharyngitis is streptococcal, and suggests management course.
Predicts likelihood that biochemical thyrotoxicosis is thyroid storm.
Frequently used to assess neutropenic fever in chemotherapy patients.
Page 25 - Rash
Screens for necrotizing soft tissue infection.
Diagnostic criteria for endocarditis.
Pages 28-30 - Dizzy, Weak, Lightheaded, Syncope
Predicts 30-day serious adverse events in patients presenting with syncope.