Preprocessing for cardiac mapping
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United States of America Patent
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May 31, 2011
Grant Date -
Jul 9, 2009
app pub date -
Mar 16, 2009
filing date -
Jun 13, 2006
priority date (Note) -
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Abstract
A non-contact cardiac mapping method is disclosed that includes: (i) inserting a catheter into a heart cavity having an endocardium surface, the catheter including multiple, spatially distributed electrodes; (ii) measuring signals at the catheter electrodes in response to electrical activity in the heart cavity with the catheter spaced from the endocardium surface; and (iii) determining physiological information at multiple locations of the endocardium surface based on the measured signals and positions of the electrodes with respect to the endocardium surface. Related systems and computer programs are also disclosed.
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