Course DEMO Demonstration course, just to get familiar with our learning system. Includes 4 sample lessons. 0 out of 2 steps completed0% 2 Chapters This free demonstration course will show you the functioning of the e-learning system and cover some basic cases extracted from the actual Pacemaker course. First, sign-up for an account for free, this will only take a minute. SIGN UP Then, enroll our DEMO course and enjoy our sample lessons. If you are satisfied, make sure you get full access to our Pacemaker course today!