Patent ID: 8359092
Filing Date: 2013-01-22
Classification: A61B

Abstract:
1. A method for mapping abnormal electrical activity in a heart of a living subject, comprising the steps of: obtaining electrical signal data from respective locations of the heart in an area of interest; automatically analyzing the signal data to identify complex fractionated electrograms or complex fractionated electrogram segments therein; determining if the number of identified complex fractionated electrograms in the area of interest exceed a predetermined threshold for complex fractionated electrograms or if the number of complex fractionated electrogram segments in the area of interest achieve a maximal number; identifying one or more of the locations in the area of interest as having ganglionated plexi if the number of identified complex fractionated electrograms in the area of interest exceeded the predetermined threshold for complex fractionated electrograms or if the number of complex fractionated electrogram segments in the area of interest achieved the maximal number; deriving an electroanatomic map of the heart from the signal data that includes a spatial distribution of the complex fractionated electrograms and the ganglionated plexi, the electroanatomical map including a key encoding the number of complex fractionated electrograms in any area of interest; and displaying the spatial distribution of the complex fractionated electrograms and the ganglionated plexi with the key encoding the number of complex fractionated electrograms in any area of interest of the electroanatomic map.