Implantable tissue perfusion sensing system and method
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United States of America Patent
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May 1, 2012
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app pub date -
Feb 28, 2008
filing date -
Feb 28, 2007
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Abstract
A medical device for sensing cardiac events that includes a plurality of light sources capable of emitting light at a plurality of wavelengths, and a detector to detect the emitted light. A processor generates an ambient light measurement in response to ambient light detected by the detector, generates a plurality of light measurements in response to the emitted light detected by the detector, and adjusts the plurality of light measurements in response to the ambient light measurement.
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