Cardiac rhythm management system with arrhythmia prediction and prevention
First Claim
1. A cardiac rhythm management system, including:
- a sensing module for detecting conditioning events statistically associated with occurrences of arrhythmias; and
, an arrhythmia prediction module for predicting the occurrence of an arrhythmia within a specified prediction time period if an estimated arrhythmia probability exceeds a specified threshold value, wherein the estimated arrhythmia probability is computed from a conditional arrhythmia probability associated with the conditioning event that is derived from past observations of instances in which the conditioning event occur s alone or together with an arrhythmia within a specified time period.
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Abstract
A cardiac rhythm management system predicts when an arrhythmia will occur and in one embodiment invokes a therapy to prevent or reduce the consequences of the arrhythmia. A cardiac arrhythmia trigger/marker is detected from a patient, and based on the trigger/marker, the system estimates a probability of a cardiac arrhythmia occurring during a predetermined future time interval. The system provides a list of triggers/markers, for which detection values are recurrently obtained at various predetermined time intervals. Based on detection values and conditional probabilities associated with the triggers/markers, a probability estimate of a future arrhythmia is computed. An arrhythmia prevention therapy is selected and activated based on the probability estimate of the future arrhythmia.
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Citations
15 Claims
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1. A cardiac rhythm management system, including:
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a sensing module for detecting conditioning events statistically associated with occurrences of arrhythmias; and
,an arrhythmia prediction module for predicting the occurrence of an arrhythmia within a specified prediction time period if an estimated arrhythmia probability exceeds a specified threshold value, wherein the estimated arrhythmia probability is computed from a conditional arrhythmia probability associated with the conditioning event that is derived from past observations of instances in which the conditioning event occur s alone or together with an arrhythmia within a specified time period. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification