An implantable cardiac stimulation system and associated method automatically adjust a pre-ventricular atrial blanking period such that far-field R-waves are not detected by the atrial channel as P-waves. The pre-ventricular atrial blanking period is dynamically adjusted to a period that causes the system...http://www.google.com/patents/US6731980?utm_source=gb-gplus-sharePatent US6731980 - System and method for automatically setting a pre-ventricular atrial blanking period