A cardiac rhythm management system including a highly sensitive technique for discriminating AF from AFL. An electrode disposed in or about a heart senses a cardiac signal. A controller through a sensing circuit receives the sensed cardiac signal from the electrode and processes the sensed cardiac signal...http://www.google.com.tw/patents/US6496731?utm_source=gb-gplus-share專利 US6496731 - Highly specific technique for discriminating atrial fibrillation from atrial flutter
