As in the past few years, Medexter hosted an Arden Syntax training course one day before eHealth Summit Austria 2016. Our diverse group of Austrian and international attendees included doctors, IT specialists, students, and journalists with a shared interest in clinical decision support. Topics ranged from kowledge-based systems, medical logic module (MLM) programming, and fuzzy Arden Syntax to clinical applications and medical device directives. The course was aimed at beginners as well as advanced learners and provided an excellent overview on application, use, and possibilities of the HL7 standard Arden Syntax.