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AI Biotech/Diagnostics: Cardio
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Patent US10201277
Issued 2019-02-12
Systems, Devices, Components And Methods For Detecting The Locations Of Sources Of Cardiac Rhythm Disorders In A Patient's Heart
Disclosed are various examples and embodiments of systems, devices, components and methods configured to detect a location of a source of at least one cardiac rhythm disorder in a patient's heart. In some embodiments, electrogram signals are acquired from inside a patient's heart, and subsequently normalized, adjusted and/or filtered, followed by generating a two-dimensional (2D) spatial map, grid or representation of the electrode positions, processing the amplitude-adjusted and filtered electrogram signals to generate a plurality of three-dimensional electrogram surfaces corresponding at least partially to the 2 D grid, one surface being generated for each or selected discrete times, and processing the plurality of three-dimensional electrogram surfaces through time to generate a velocity vector map corresponding at least partially to the 2 D grid. The resulting velocity vector map is configured to reveal the location of the source of the at least one cardiac rhythm disorder, which may be, by way of example, an active rotor in a patient's myocardium and atrium.
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- 1. A system for detecting a location of a source of at least one cardiac rhythm disorder in a patient's heart, comprising:
at least one computing device comprising at least one non-transitory computer readable medium configured to store instructions executable by at least one processor for determining the source and location of the cardiac rhythm disorder in the patient's heart, the computing device being configured to: (a) receive electrogram signals acquired inside the patient's heart using electrodes mounted on a mapping electrode assembly; (b) normalize and/or adjust amplitudes of the electrogram signals; (c) assign predetermined positions of electrodes on the mapping electrode assembly to their corresponding electrogram signals; (c) provide or generate a two-dimensional (2D) spatial map of the electrode positions; (d) for each or selected discrete times over which the electrogram signals are being processed, process the amplitude-adjusted electrogram signals to generate a plurality of three-dimensional electrogram surfaces corresponding at least partially to the 2D map, one surface being generated for each such time, and (e) process the plurality of three-dimensional electrogram surfaces through time to generate a velocity vector map corresponding at least partially to the 2D map, the velocity vector map being configured to reveal the location of the source of the at least one cardiac rhythm disorder and being displayed on a monitor or screen operably connected to the computing device so that a user can diagnose or treat the patient.
