Method and apparatus for identifying lead-related conditions using lead impedance measurements
First Claim
1. A method for detecting a lead-related condition comprising:
- periodically measuring a lead impedance, determining a short-term impedance trend, determining a long-term impedance trend, applying a set of diagnostic criteria to the short-term and long-term impedance trends, and diagnosing a lead-related condition based on said set of diagnostic criteria.
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Abstract
A method and apparatus for automatically detecting and diagnosing lead-related conditions is provided. Specifically, relatively short-term and relatively long-term impedance parameters are determined for detecting an impedance trend indicative of a lead-related condition such as an open circuit, which may be due to a conductor fracture or poor connection to an associated implantable medical device, or a short circuit due to an insulation breach. Monitoring of multiple lead impedance parameters is performed to diagnose a lead-related condition based on a number of diagnostic criteria. Supplementary analysis of multiple lead impedance parameter trends may be performed to identify lead-specific conditions, such as metal ion oxidation induced insulation degradation. A lead-related condition diagnosis and supporting data are stored in memory for uplinking to an external device for review by a clinician. A recommended corrective action and/or a patient notification signal for a lead-related condition may optionally be provided.
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Citations
3 Claims
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1. A method for detecting a lead-related condition comprising:
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periodically measuring a lead impedance, determining a short-term impedance trend, determining a long-term impedance trend, applying a set of diagnostic criteria to the short-term and long-term impedance trends, and diagnosing a lead-related condition based on said set of diagnostic criteria. - View Dependent Claims (2, 3)
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Specification