MDCalc Medical Calculator

MDCalc is the leading clinical decision support app providing 900+ evidence-based calculators, risk scores, and clinical tools to support patient care at the bedside. MDCalc has been trusted by millions of clinicians since 2005. Why Clinicians Choose MDCalc: • Created by Physicians, for Physicians - All tools developed and validated by board-certified physicians • 900+ Clinical Tools - Risk scores, algorithms, dosing calculators, and more with consistent updates and new tools added regularly • Works Offline - Full functionality without internet connection • Evidence-Based - Every tool includes research validation and expert commentary • CME Tracking - Earn CME just by reading through the clinical content surrounding many of our tools • Free Registration - Complete access in under 30 seconds Key Features: Smart Search & Organization • Quick search across all tools • Customizable favorites and specialty lists • Recently used tools for quick access • Auto-sync between web and mobile • Explore page for personalized suggestions Clinical Expertise • Expert insights from creators • Pearls & pitfalls from specialists • Evidence summaries with PubMed links • Error warnings and normal value ranges Workflow Support • Toggle between US and SI units instantly • Works in limited connectivity settings • Easy to use at the point-of-care Popular Tools Include: • Creatinine Clearance - Cockcroft-Gault Equation • HA2DS2-VASc Score - Atrial Fibrillation Stroke Risk • HEART Score- Major Cardiac Events • Wells' Criteria - Pulmonary Embolism & DVT • MELD Score - End-Stage Liver Disease • HAS-BLED Score - Major Bleeding Risk • SIRS/Sepsis Criteria - Septic Shock Assessment • Mean Arterial Pressure - Hemodynamic Monitoring MDCalc ensures only the highest-quality, clinically relevant tools make it into the app. Each calculator undergoes rigorous evidence appraisal and validation by our network of academic and practicing physician experts.