An implantable microprocessor-controlled dual chamber heart pacemaker is programmed to control the timing of the pacing of the ventricle in response to high rate atrial signals. The microprocessor operates in conjunction with an atrial timer to detect atrial signals which occur at a rate in excess of...http://www.google.fr/patents/US4624260?utm_source=gb-gplus-shareBrevet US4624260 - Pacemaker with conditional atrial tracking capability
Pacemaker with conditional atrial tracking capability
