Lead integrity testing triggered by sensed signal saturation
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United States of America Patent
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Dec 20, 2016
Grant Date -
Jan 28, 2010
app pub date -
Jul 28, 2008
filing date -
Jul 28, 2008
priority date (Note) -
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Abstract
Techniques for performing a lead integrity test in response to, e.g., during or after saturation of a sensed signal, e.g., a cardiac electrogram (EGM) signal, are described. A lead integrity test may comprise one or more impedance measurements for one or more leads. Possible causes of saturation of a sensed signal include lead conductor or connector issues, or other lead related conditions. A lead integrity test triggered in response to the saturation may be able to detect any lead related condition causing the saturation. A lead integrity test triggered in response to the saturation may advantageously be able to detect an intermittent lead related condition, due to the temporal proximity of the test to the saturation.
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