This document provides an overview of the program for the 12th European Congress of Internal Medicine taking place from October 2-5, 2013 in Prague, Czech Republic. The program includes sessions on various topics in internal medicine like cardiology, rheumatology, gastroenterology, endocrinology and more. Presentations will take place each day in the Congress Hall as well as other locations like the Panorama Hall and Club rooms. The program also includes opportunities for young internists, workshops, debates and closing ceremonies.