High Density Atrial Fibrillatrion Cycle Length (AFCL) Detection and Mapping System
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Accused Products
Abstract
Systems and methods to assist in locating the focus of an atrial fibrillation include the association of atrial fibrillation cycle length values and statistics relating thereto with temporal locations on an electrogram of a given electrode, and/or the coordination of electrode locations with respective the spectral analyses of electrogram signals and further parameters and statistics relating thereto. Ablation therapy can proceed under guidance of such information.
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Citations
62 Claims
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1-26. -26. (canceled)
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27. An ablation and mapping procedure, comprising the steps of:
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percutaneously advancing a catheter into at least one heart chamber, the catheter having multiple electrodes supported along a distal portion thereof; associating in a memory of a machine one or more locations of the electrodes within the at least one heart chamber; capturing electrocardiogram signals associated with at least one electrode of the catheter at one or more of the locations for at least a prescribed time period; for at least a portion of the captured electrocardiogram signals over at least the prescribed time period, transforming the electrogram signals into a frequency domain representation; coordinating the frequency domain representation with respective locations of the multiple electrodes to define a set of data points; outputting a depiction of a heart on a display; and outputting the data points in the depiction of the heart.
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28. A system for performing diagnostics on electrocardiogram data along a distal portion thereof captured by a catheter that supports plural electrodes, comprising:
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a monitor operative to display electrophysiology data; an input configured to accept a time-domain representation of one or more electrocardiogram (EGM) signals obtained by the electrodes at respective different locations within the heart; a processor connected to receive the signals from the input over a time interval; software executable by the processor and configured to (i) transform the time-domain EGM signals into a frequency domain representation over at least a portion of the time interval, (ii) identify said respective different locations of each electrode within the heart, (iii) cause a depiction of a heart to be displayed on the monitor, and (iv) include information related to the frequency domain representation in the depiction of the heart in association with said respective different locations of the electrodes at which each EGM signal was obtained. - View Dependent Claims (29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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57. A system for performing diagnostics on electrocardiogram data along a distal portion thereof captured by a catheter that supports plural electrodes, comprising:
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a monitor operative to display electrophysiology data; an input configured to accept a time-domain representation of one or more electrocardiogram (EGM) signals obtained by the electrodes at respective different locations within the heart; a processor connected to receive the signals from the input over a time interval; software executable by the processor and configured to (i) transform at least one time-domain EGM signal into a frequency domain representation over at least a portion of the time interval, (ii) identify said respective different locations of each electrode within the heart, (iii) cause a depiction of a heart to be displayed on the monitor, and (iv) cause information related to the frequency domain representation to be displayed on the monitor in association with the location of each electrode at which the EGM signal was obtained. - View Dependent Claims (58, 59, 60, 61, 62)
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Specification