The present invention provides for a method and apparatus providing pacing to improve the hemodynamics of the heart for patients with AV nodal block, right/left bundle branch block, and heart failure. A lead body having at least one conductor with an insulative sleeve is introduced into the right atrium...http://www.google.de/patents/US7177704?utm_source=gb-gplus-sharePatent US7177704 - Pacing method and apparatus