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SMALL-SCALE TIME DELAY AND SINGLE-SHOT CONDUCTION VELOCITY ANALYSIS AND MAPPING FOR CARDIAC ELECTROPHYSIOLOGY
专利权人:
Duke University
发明人:
Stephen Gaeta
申请号:
US16397618
公开号:
US20190328258A1
申请日:
2019.04.29
申请国别(地区):
US
年份:
2019
代理人:
摘要:
Systems and methods for quantifying cardiac electrophysiologic signals. An electronic processor receives a unipolar electrogram signal from each of a plurality of electrodes positioned at different locations of a heart. The electronic processor then calculates or measures a bipolar electrogram signal based on a difference between the unipolar electrogram signal for a first electrode and the unipolar electrogram signal for a second electrode. A local activation time (LAT) difference between a location of the first electrode and a local of the second electrode is then determined based on a voltage amplitude of the bipolar electrogram signal. The LAT difference is indicative of an amount of time between a local activation of a propagating wavefront at the location of the first electrode and a local activation of the propagating wavefront at the location of the second electrode.
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