Complimentary activity sensor network for disease monitoring and therapy modulation in an implantable device
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United States of America Patent
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Dec 26, 2006
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app pub date -
Dec 3, 2004
filing date -
Dec 3, 2004
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Abstract
Energy efficient methods and systems for using multi-dimensional activity sensors with implantable cardiac devices are provided. In certain embodiments the output of a passive activity sensor (used for rate responsive pacing) is used to trigger temporary use of a relatively high power multi-dimensional activity sensor. In other embodiments, the output of a relatively low power oxygen saturation sensor is used to trigger temporary use of a relatively high power multi-dimensional activity sensor. This description is not intended to be a complete description of, or limit the scope of, the invention.
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