The source for medical equations, algorithms, scores, and guidelines.

For use in patients with stable renal function to estimate creatinine clearance. The Cockcroft-Gault Equation may be inaccurate depending on a patient's body weight and BMI; by providing additional …

Predicting Risk of Cardiovascular Disease EVENTs (PREVENT) predicts risk for incident CVD and CVD subtypes.

The 2013 ASCVD Risk Calculator is a vital tool for estimating the 10-year risk of heart disease or stroke. Developed by the American College of Cardiology (ACC) and the American Heart Association (AHA), …

The PHQ-9 (Patient Health Questionnaire-9) objectifies and assesses degree of depression severity via questionnaire.

The CHA2DS2-VASc Score for for Atrial Fibrillation Stroke Risk calculates stroke risk for patients with atrial fibrillation, possibly better than the CHADS2 score.

The Calcium Correction for Hypoalbuminemia calculates a corrected calcium level for patients with hypoalbuminemia.

The Pregnancy Due Dates Calculator Calculates pregnancy dates, forward from last period or backward from due date.

The mMRC (Modified Medical Research Council) Dyspnea Scale stratifies severity of dyspnea in respiratory diseases, particularly COPD.

The Opiate Conversion Calculator converts between different types and routes of opiates.