Patent ID: 7957791
Filing Date: 2011-06-07
Classification: A61B

Abstract:
1. A method comprising: inserting a catheter into a heart cavity having an endocardium surface, the catheter comprising multiple, spatially distributed electrodes; measuring signals at the catheter electrodes in response to electrical activity in the heart cavity; integrating information derived from the signals for common phases of the electrical heart beat cycles; determining physiological information at multiple locations of the endocardium surface based on the measured signals and positions of the electrodes with respect to the endocardium surface; and displaying at least a portion of the determined physiological information; wherein the signals are measured during multiple different portions of a heart beat cycle and wherein the physiological information is determined, at least in part, by accounting for changes in the location of the catheter electrodes with respect to the endocardium surface during the multiple different portions of a heart beat cycle.