System and method of identifying sources for biological rhythms
First Claim
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1. A method of locating a source of a rhythm disorder of a heart, the method comprising:
- processing a first pair of cardiac signals to define a first coefficient associated with variability among the first pair of signals at a first region of the heart;
processing a second pair of cardiac signals to define a second coefficient associated with variability among the second pair of signals at a second region of the heart; and
comparing the first coefficient of variability to the second coefficient of variability to determine a direction towards the source of the rhythm disorder;
wherein variability is determined independent of activation onsets within the signals.
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Abstract
A system and method of locating a source of a heart rhythm disorder are provided in which a first pair of cardiac signals is processed to define a first coefficient associated with variability of the first pair of signals at a first region of the heart. A second pair of cardiac signals is processed to define a second coefficient associated with variability of the second pair of signals at a second region of the heart. Thereafter, the first coefficient of variability is compared to the second coefficient of variability to determine a direction towards the source of the rhythm disorder.
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Citations
28 Claims
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1. A method of locating a source of a rhythm disorder of a heart, the method comprising:
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processing a first pair of cardiac signals to define a first coefficient associated with variability among the first pair of signals at a first region of the heart; processing a second pair of cardiac signals to define a second coefficient associated with variability among the second pair of signals at a second region of the heart; and comparing the first coefficient of variability to the second coefficient of variability to determine a direction towards the source of the rhythm disorder; wherein variability is determined independent of activation onsets within the signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A system to locate a source of a rhythm disorder of a heart, the system comprising at least one computing device configured to:
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process a first pair of cardiac signals to define a first coefficient associated with variability among the first pair of signals at a first region of the heart; process a second pair of cardiac signals to define a second coefficient associated with variability among the second pair of signals at a second region of the heart; and compare the first coefficient of variability to the second coefficient of variability to determine a direction towards the source of the rhythm disorder; wherein variability is determined independent of activation onsets within the signals. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification