Since 2005, MDCalc has been an essential part of the clinician’s workflow to help achieve better patient outcomes. MDCalc’s evidence-based tools and content written by physician experts support 50+ specialties and cover 200+ patient conditions. MDCalc has a global presence, with users in over 200 countries and territories, with especially strong use in regions and medical centers focused on patient-centered and practice changing evidence-based medicine.  MDCalc’s founders are two practicing emergency medicine physicians: Dr. Graham Walker and Dr. Joseph Habboushe.  With the help of some of the most incredible clinicians, researchers, and medical societies, MDCalc has experienced rapid organic growth to become the most broadly used medical reference for clinical decision tools and content, trusted by millions of healthcare professionals globally.