The invention relates to the use of atrial pacing therapies to treat atrial tachycardia (AT). When an AT episode is detected, an implantable medical device applies an ATP therapy. If the AT episode persists, the ATP therapy may be automatically reapplied at a later time during the course of the same...http://www.google.ca/patents/US6876880?utm_source=gb-gplus-sharePatent US6876880 - Automated reapplication of atrial pacing therapies