A multi-chamber pacing system has a pulse generator for successively delivering pacing pulses to chambers of a patient's heart. Evoked response detectors having blanking intervals following the delivery of pacing pulses include sensing elements for sensing IEGM-signals from each of the heart chambers...http://www.google.es/patents/US7089058?utm_source=gb-gplus-sharePatente US7089058 - Multi-chamber pacing system
