FIELD: medicine.
SUBSTANCE: group of inventions relates to medicine, namely to mapping the heart, and in particular to the analysis of anatomical maps of the heart. A system for implementing the method is proposed, comprising: a catheter for electroanatomical mapping of a patient; a memory configured to store a two-dimensional (2D) electro-anatomical (EA) map of the inner surface of at least a portion of a cavity of a patient's organ, the 2D EA-map including electrophysiological (EP) values measured at respective locations on the inner surface; and a processor configured to: approximate a set of EP values that have been measured in a predetermined area of a 2D EA map by a complex analytical function; determining the singularity in the approximating complex analytical function; moreover, the processor is configured to determine the singularity by calculating one or more residues of the complex analytical function in a given area; and building a back projection of the area of the specified 2D-area on a three-dimensional (3D) EA-map of the inner surface, while maintaining an indication of the number and shape of arrhythmogenic zones; and displaying at least a portion of the 3D EA map to the user, including indicating the arrhythmogenic EP activity at a location on the 3D EA map corresponding to the singularity region defined in the approximating complex analytical function.
EFFECT: group of inventions provides a more accurate determination of the locations of the arrhythmia zones, as well as the types of arrhythmia, using a processor that receives data from sensors attached to the patient's body, processes the obtained data so as to enable the surgeon to accurately determine the zone of influence on the arrhythmia area, taking into account the type arrhythmias.
18 cl, 7 dwg
