Clinical tool library

Cardiology · Equation

PREVENT

What is the 10- and 30-year risk of total CVD, ASCVD and heart failure in adults without CVD?

Emerging evidence 10 and 30 years

Cardiology · Equation

ASCVD (PCE)

What is the 10-year risk of a first atherosclerotic cardiovascular event to guide statin therapy?

Moderate evidence 10 years

Cardiology · Risk score

CHA₂DS₂-VASc

Should this patient with atrial fibrillation receive oral anticoagulation for stroke prevention?

Strong evidence Annual risk

Cardiology · Equation

Framingham

What is the 10-year risk of any first cardiovascular event?

Moderate evidence 10 years

Cardiology · Risk score

GRACE (6-month)

What is the risk of death within 6 months after discharge for acute coronary syndrome?

Moderate evidence 6 months after discharge

Cardiology · Risk score

GRACE (in-hospital)

What is the risk of death during hospitalisation for acute coronary syndrome?

Strong evidence Index hospitalisation

Cardiology · Risk score

HAS-BLED

What is the risk of major bleeding on anticoagulation, and which risk factors are modifiable?

Moderate evidence 1 year

Cardiology · Risk score

HEART Score

What is the short-term risk of a major adverse cardiac event in an adult with chest pain in the ED?

Strong evidence 6 weeks

Cardiology · Risk score

TIMI (UA/NSTEMI)

What is the 14-day risk of death or ischaemic events in confirmed UA/NSTEMI?

Strong evidence 14 days

Emergency Medicine · Decision rule

Canadian C-Spine

Does an alert, stable trauma patient need cervical spine imaging?

Strong evidence Index visit

Emergency Medicine · Decision rule

Canadian CT Head

Does an adult with minor head injury need a CT head?

Strong evidence Index visit

Emergency Medicine · Decision rule

NEXUS

Can cervical spine imaging be safely avoided after blunt trauma?

Strong evidence Index visit

Emergency Medicine · Decision rule

PERC

Can PE be excluded without D-dimer testing in a low-risk patient?

Strong evidence Current episode (45-day follow-up in studies)

Emergency Medicine · Risk score

PESI

What is the 30-day mortality risk of a patient with confirmed acute PE?

Strong evidence 30 days

Emergency Medicine · Risk score

sPESI

Is a patient with acute PE at low risk of 30-day mortality?

Strong evidence 30 days

Emergency Medicine · Risk score

Wells PE

What is the pretest probability of pulmonary embolism?

Strong evidence Current episode

Neurology · Risk score

GCS

What is the patient's level of consciousness?

Strong evidence Point in time

Neurology · Risk score

NIHSS

How severe is the neurological deficit in acute stroke?

Strong evidence Point in time

Infection & Sepsis · Risk score

CURB-65

How severe is this community-acquired pneumonia, and where should it be treated?

Strong evidence 30 days

Infection & Sepsis · Risk score

PSI

What is the 30-day mortality risk in community-acquired pneumonia, and where should it be treated?

Strong evidence 30 days

Infection & Sepsis · Decision rule

SIRS

Does the patient meet criteria for the systemic inflammatory response syndrome?

Moderate evidence Point in time

Infection & Sepsis · Risk score

qSOFA

Is a patient with suspected infection at higher risk of a poor outcome?

Moderate evidence Hospital stay

Critical Care · Equation

P/F ratio

How severe is impaired oxygenation (ARDS category)?

Strong evidence Point in time

Critical Care · Risk score

SOFA

How much organ dysfunction does this critically ill patient have?

Strong evidence Daily