Patent ID: 7130685
Filing Date: 2006-10-31
Classification: A61N

Abstract:
1. A method of detecting and terminating an AV Desynchronization Arrhythmia (AVDA) sequence in a patient having a dual chamber pacemaker pulse generator including atrial and ventricular pacing and sensing electrodes said electrodes being for delivering electrical pulses from said generator for pacing and sensing depolarization events and non-physiologic events of the heart of the patient, said pacing having mode-switching capability and adjustable pacing pulse energies wherein said method comprises the steps of: sensing a premature ventricular contraction event or a other ventricular event, wherein said event is not closely preceded by an atrial depolarization; sensing a retrograde atrial refractory sensed event before a scheduled atrial pacing stimulus is delivered; and triggering an increased energy atrial pace stimulation signal to a portion of an atrium of a patient at the time the scheduled atrial pacing stimulus is delivered.