A dual-chamber AV sequential pacemaker with the capability of automatically adjusting right heart AV interval to optimize left heart AV interval by compensating for pacing-induced inter-atrial and inter-ventricular conduction delays. Depending on the pacing and sensing action, as determined by the patient's...http://www.google.de/patents/US5179949?utm_source=gb-gplus-sharePatent US5179949 - Cardiac pacemaker with automatic A-V programming for optimization of left heart A-V interval
