An implantable antiarrhythmia device which detects and classifies arrhythmias of the human heart, and delivers appropriate therapy. The device employs a method of arrhythmia classification based on a set of prioritized rules, each of the rules defining a plurality of criteria based upon characteristics...http://www.google.com.au/patents/US5545186?utm_source=gb-gplus-sharePatent US5545186 - Prioritized rule based method and apparatus for diagnosis and treatment of arrhythmias
