Medical Calculators

CHA2DS2- VASc Score for Atrial Fibrillation Stroke Risk
(External link)
Calculates stroke risk for patients with atrial fibrillation

CURB-65 Score for pneumonia severity
(External link)
Estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment.

DVT/PE calculators:
 - Wells’ Criteria for Pulmonary Embolism
(External link)
Objectifies risk of pulmonary embolism.
- PERC Rule for PE
(External link)
Rules out PE if no criteria are present and pre-test probability is ≤15%

Gentamicin Dose Calculator (GUH
(Internal link)

Glasgow Coma Scale
(External link)

HAS-BLED Score for major bleeding risk
(External link)
Estimates risk of major bleeding for patients on anticoagulation to assess risk-benefit in atrial fibrillation care.

Heart Score for Major Cardiac Events
(October 2019 - Internal link - Printable score)
Predicts 6-week risk of major adverse cardiac event

Lund and Browder Chart 
(Printable Internal link)
The Lund and Browder Chart is a tool useful in the management of burns for estimating the total body surface area affected.

NEXUS Criteria for C-Spine Imaging
(External link)
Clears patients from cervical spine fracture clinically, without imaging.

NIH Stroke Score
(External link)
Calculates the NIH Stroke Scale for quantifying stroke severity.

Ranson’s Criteria
(External link)
Estimates mortality of patients with pancreatitis

Vancomycin Dose Calculator (GUH) 
(Internal link)