Creatinine Clearance (Cockcroft-Gault Equation)

Estimates creatinine clearance for medicine dosing.

Wells Criteria for Pulmonary Embolism

Estimates pre-test probability of pulmonary embolism in adults.

CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk

Estimates thromboembolic stroke risk in adults with non-valvular atrial fibrillation.

PERC Rule for Pulmonary Embolism

Helps exclude PE in haemodynamically stable, low-risk adults.

Wells Criteria for Deep Vein Thrombosis (DVT)

Estimates pre-test probability of lower-limb deep vein thrombosis.

HEART Score for Major Cardiac Events

Stratifies 6-week risk of major adverse cardiac events in adults with chest pain.

HAS-BLED Score for Major Bleeding Risk

Estimates 1-year major bleeding risk and identifies modifiable bleeding risks in atrial fibrillation.

Glasgow Coma Scale (GCS)

Assesses level of consciousness using eye opening, verbal response and motor response.

qSOFA (Quick SOFA) Score in Suspected Infection

Flags adults with suspected infection outside intensive care who have a higher risk of in-hospital death or an ICU stay of 3 days or longer.

Sequential Organ Failure Assessment (SOFA) Score

Assesses organ dysfunction severity in critically ill adults.

CURB-65 Score for Pneumonia Severity

Estimates 30-day mortality risk in adults with community-acquired pneumonia.

Centor Score (Modified/McIsaac) for Strep Pharyngitis

Estimates the likelihood of group A streptococcal pharyngitis.

CKD-EPI Equations for Glomerular Filtration Rate (GFR)

Estimates adult eGFR from standardised serum creatinine and/or cystatin C using race-free CKD-EPI equations.

Corrected Calcium for Hypoalbuminaemia

Estimates albumin-adjusted total calcium in adults when ionised calcium is unavailable.

Serum Anion Gap with Albumin Correction

Calculates the serum anion gap and albumin-corrected anion gap from routine chemistry values.

MELD, MELD-Na and MELD 3.0 for Cirrhosis

Estimates 90-day mortality risk in patients aged 12 years and over with cirrhosis.

Child-Pugh Score for Cirrhosis Mortality

Classifies severity of chronic liver disease, mainly cirrhosis, and estimates short-term mortality.

BMI and Body Surface Area (BSA) Calculator

Calculates adult BMI category and Mosteller body surface area from height and weight.

Ideal Body Weight and Adjusted Body Weight

Calculates adult Devine ideal body weight and 0.4-factor adjusted body weight for selected dosing contexts.

Maintenance Fluids Calculations

Estimates 24-hour and hourly maintenance intravenous fluid requirements from body weight using the Holliday–Segar method.

Modified Parkland Formula for Burns

Estimates the ACI modified Parkland starting fluid requirement for major burns.

Ottawa Ankle Rules for Ankle and Foot Radiography

Identifies acute ankle or midfoot injuries that meet criteria for radiography.

Apgar Score

Assesses newborn condition at 1 and 5 minutes after birth.

PHQ-9 (Patient Health Questionnaire-9) for Depression Severity

Screens for and monitors depression severity over the past 2 weeks.

GAD-7 (Generalised Anxiety Disorder-7)

Screens for and grades generalised anxiety symptoms in adults over the past 2 weeks.

AUDIT-C for unhealthy alcohol use screening

Screens for unhealthy alcohol use over the past year.

YEARS Algorithm for Pulmonary Embolism

Rules out pulmonary embolism using three clinical criteria and a variable D-dimer threshold.

TIMI Risk Score for UA/NSTEMI

Estimates 14-day risk of death, MI, or urgent revascularisation in UA/NSTEMI.

Vancomycin AUC24 Estimator

Estimates 24-hour vancomycin exposure in adults receiving intermittent IV dosing.

Westley Croup Score

Assesses croup severity.