MDCalc - Medical calculators, equations, scores, and guidelines
The source for medical equations, algorithms, scores, and guidelines.
Creatinine Clearance (Cockcroft-Gault Equation) - MDCalc
Insights from Dr. Cockcroft: Calculating creatinine clearance was a "simple" resident research project designed by Dr. Henry Gault, my mentor at the time.
CKD-EPI Equations for Glomerular Filtration Rate (GFR) - MDCalc
Lesley A. Inker, MD, MS, is an associate professor at Tufts University School of Medicine, an attending physician in the William B. Schwartz, MD Division of Nephrology at Tufts Medical …
Corrected QT Interval (QTc) - MDCalc
Corrects the QT interval for heart rate extremes (choose from Bazett, Fridericia, Framingham, Hodges, or Rautaharju formulas).
CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk - MDCalc
Why did you develop the CHA₂DS₂-VASc Score? Was there a clinical experience that inspired you to create this tool for clinicians? The availability of Non-Vitamin K Antagonist Oral …
CURB-65 Score for Pneumonia Severity - MDCalc
The CURB-65 Severity Score estimates mortality of community-acquired pneumonia to help determine inpatient vs. outpatient treatment.
PHQ-9 (Patient Health Questionnaire-9) - MDCalc
MDCalc provides tools and content intended for use by healthcare professionals, and is not meant for use by patients. While these may be surveys or questions intended for patients, they are …
National Early Warning Score (NEWS) 2 - MDCalc
Gary B. Smith, Cert Med, FRCA, FRCP, is a visiting professor at the School of Health & Social Care, University of Bournemouth, UK. He is director of the UK Deteriorating Hospital Patient …
Calcium Correction for Hypoalbuminemia and Hyperalbuminemia
The Calcium Correction for Hypoalbuminemia calculates a corrected calcium level for patients with hypoalbuminemia.
Child-Pugh Score for Cirrhosis Mortality - MDCalc
Richard N. Pugh, MD, was a distinguished researcher who worked for the liver unit and department of radiology at King's College Hospital and Medical School in London and was a …