An active implanted medical device of the implantable defibrillatory cardioverter type. This device comprises an atrial electrode (40), a ventricular electrode (50), at least one electrode external to the heart (70, 80) and a pulse generator (60). The pulse generator comprises a means for delivering...http://www.google.com.au/patents/US5776165?utm_source=gb-gplus-sharePatent US5776165 - Active implantable cardiac defibrillator cardioverter and method of operation 
