METHOD AND APPARATUS FOR DETECTING ARRHYTHMIAS IN A SUBCUTANEOUS MEDICAL DEVICE

摘要

A method and system for use with an implantable medical device for subcutaneous implant within a patient to determine a likelihood of the patient experiencing a cardiac event that includes sensing a cardiac signal along a plurality of different sensing vectors, determining state information of each vector of the plurality of sensing vectors, determining a cross correlation of the determined state information of each vector of the plurality of sensing vectors, comparing the cross correlation of the determined state information of each vector of the plurality of sensing vectors to a threshold, and detecting the cardiac event in response to the comparing.

主权项

1. A method of determining a likelihood of an occurrence of a cardiac event in a subcutaneously implanted medical device, comprising
sensing a cardiac signal along a plurality of different sensing vectors; determining state information of each vector of the plurality of sensing vectors; determining a cross correlation of the determined state information of each vector of the plurality of sensing vectors; comparing the cross correlation of the determined state information of each vector of the plurality of sensing vectors to a threshold; and detecting the cardiac event in response to the comparing.