Cardiac monitoring and/or stimulation methods and systems that provide one or more of monitoring, diagnosing, defibrillation, and pacing. Cardiac signal separation is employed for automatic capture verification using cardiac activation sequence information. Devices and methods sense composite cardiac...http://www.google.com.au/patents/US7509170?utm_source=gb-gplus-sharePatent US7509170 - Automatic capture verification using electrocardiograms sensed from multiple implanted electrodes
