MONITORING SHORT TERM FLUCTUATIONS IN PR INTERVALS FOLLOWING PREMATURE VENTRICULAR CONTRACTIONS
First Claim
1. For use with an implantable system, a method of performing at least one of a cardiac assessment and an autonomic assessment, comprising:
- (a) monitoring morphology of a signal that is indicative of PR intervals that follow premature contractions of the ventricles; and
(b) performing at least one of a cardiac assessment and an autonomic assessment, based on the monitored morphology of the signal that is indicative of PR intervals that follow premature contractions of the ventricles.
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Abstract
Implantable systems, and methods for use therein, perform at least one of a cardiac assessment and an autonomic assessment. Short-term fluctuations in PR intervals, that follow the premature contractions in the ventricles, are monitored. At least one of a cardiac assessment and an autonomic assessment is performed based on the monitored fluctuations in PR intervals that follow the premature contractions in the ventricles. This can include assessing a patient'"'"'s risk of sudden cardiac death (SCD), assessing a patient'"'"'s autonomic tone and/or detecting myocardial ischemic events based on the monitored fluctuations in PR intervals that follow the premature contractions in the ventricles.
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Citations
10 Claims
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1. For use with an implantable system, a method of performing at least one of a cardiac assessment and an autonomic assessment, comprising:
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(a) monitoring morphology of a signal that is indicative of PR intervals that follow premature contractions of the ventricles; and (b) performing at least one of a cardiac assessment and an autonomic assessment, based on the monitored morphology of the signal that is indicative of PR intervals that follow premature contractions of the ventricles. - View Dependent Claims (2, 3, 4, 5)
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6. An implantable system for performing at least one of a cardiac assessment and an autonomic assessment, comprising:
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means for monitoring morphology of a signal that is indicative of PR intervals that follow premature contractions of the ventricles; and means for performing at least one of a cardiac assessment and an autonomic assessment, based on the monitored morphology of the signal that is indicative of PR intervals that follow premature contractions of the ventricles. - View Dependent Claims (7, 8, 9, 10)
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Specification