A system and method which employs atrial discrimination algorithms to distinguish between different atrial arrhythmias occurring in a patient for selecting an optimal pacing therapy corresponding to the type of arrhythmia identified. The invention may be implemented in a bradycardia pacemaker or other...http://www.google.de/patents/US6978177?utm_source=gb-gplus-sharePatent US6978177 - Method and apparatus for using atrial discrimination algorithms to determine optimal pacing therapy and therapy timing