System and method for determining spatial organization of atrial activation
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United States of America Patent
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Oct 14, 1997
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N/A
app pub date -
Oct 25, 1996
filing date -
Feb 16, 1996
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Abstract
A system and method evaluates the spatial organization of atrial activation sequences of a heart. Electrical activity of an atrium is sensed at a predetermined number of different localized locations within the atrium to generate a like predetermined number of electrograms. The electrogram generated for each localized location is cross-correlated with the electrograms generated for every other localized location to derive a set of correlation values. A space constant derivable from the correlation values or the correlation values themselves may be used to evaluate antiarrhythmic drug effectiveness or, within an implantable atrial defibrillator, atrial arrhythmia type.
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