A system and method for cardiac rhythm management, which includes an electrode system having at least one electrode and control circuitry coupled to the electrode system from which a first cardiac signal is sensed. The control circuitry includes a pulse circuit to produce electrical pulses at a first...http://www.google.com.hk/patents/US8204594?utm_source=gb-gplus-share專利 US8204594 - Cardiac rhythm management system and method
