Patent ID: 7502646

Claim:
A method comprising: operating an implantable medical device (IMD) according to a ventricular pacing protocol (VPP) wherein a sensed ventricular event in a first cardiac cycle precludes cardiac pacing in a second cardiac cycle immediately subsequent to the first cardiac cycle; initiating a first post atrial ventricular blanking (PAVB) interval following a first atrial pacing pulse under a first condition; sensing an electrical signal and providing a first sensed indicator representative of cardiac activity; accelerating the first cardiac cycle by delivering a second atrial pacing pulse to terminate the first cardiac cycle early in response to the first sensed indicator; initiating a second PAVB following the first atrial pacing pulse under a second condition, wherein the first PAVB is shorter in duration than the second PAVB; and providing a crosstalk window subsequent to the atrial pacing pulse during which time sensing is permitted on a ventricular channel and events sensed during the crosstalk window are evaluated according to a feed forward protocol.