Thomas Deneke1, Philipp Halbfaß1, Helmut Pürerfellner2. 1. Clinic for interventional Electrophysiology, Heart Center Rhön Clinic Bad Neustadt, Rhön Klinikum Campus, Von-Guttenberg-Str. 11, 97616 Bad Neustadt, Germany. 2. Department for Cardiology/Invasive Electrophysiology, Ordensklinikum Linz Elisabethinen, Linz, Austria.