A multi-chamber pacing system has a pulse generator for successively delivering pacing pulses to chambers of a patient's heart, and IEGM signal detectors, having blanking intervals following the delivery of pacing pulses, including sensing circuits for sensing IEGM-signals from each of the heart chambers....http://www.google.es/patents/US7069076?utm_source=gb-gplus-sharePatente US7069076 - Multi-chamber pacing system
