Patent ID: 8768444
Filing Date: 2014-07-01
Classification: A61B,A61N,G16H

Abstract:
1. An implantable medical device for coupling to a heart having a right atrium (RA), a left atrium (LA), a sinoatrial (SA) node, and an atrial septum through one or more leads including a first electrode for placement near the SA node, a second electrode for placement near the atrial septum, and a third electrode for placement in the LA, the implantable medical device comprising: a sensing circuit configured to sense a plurality of atrial electrograms using the plurality of atrial electrodes; an arrhythmia detection circuit configured to detect tachyarrhythmia; and an arrhythmia classification circuit configured to classify the detected tachyarrhythmia, the arrhythmia classification circuit including: