Implantable systems that can monitor myocardial electrical stability, and methods for use therewith, are provided. Also provided are novel pacing sequences that are used in such monitoring. Such pacing sequences are designed to reveal alternans at low to moderate heart rates....http://www.google.ca/patents/US7738956?utm_source=gb-gplus-sharePatent US7738956 - Pacing schemes for revealing T-wave alternans (TWA) at low to moderate heart rates
