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 …

Learn about MDCalc, the most broadly used medical reference for clinical decision tools and content for medical professionals.

The Corrected QT Interval (QTc) adjusts the QT interval correctly for heart rate extremes.

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.

Enter the patient’s height and weight in the BMI Calculator to calculate the Body Mass Index based on the estimated body fat.

The Free Water Deficit in Hypernatremia calculates free water deficit in hypernatremia or dehydration by estimated total body water.

For patients with unexpectedly high or low scores, consider comparing the Child-Pugh score with another score like the MELD Score.

The Wells’ Criteria for Pulmonary Embolism objectifies risk of pulmonary embolism (PE).