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Time transformation of local activation times
专利权人:
APN Health; LLC
发明人:
Donald Brodnick,Jasbir Sra
申请号:
US15062697
公开号:
US10357168B2
申请日:
2016.03.07
申请国别(地区):
US
年份:
2019
代理人:
摘要:
An automatic method of determining local activation time (LAT) from at least three multi-channel cardiac electrogram signals including a mapping channel and a plurality of reference channels. The method comprises (a) storing the cardiac channel signals, (b) using the mapping-channel signal and a first reference-channel signal to compute LAT values at a plurality of mapping-channel locations, (c) monitoring the timing stability of the first reference-channel signal, and (d) if the timing stability of the monitored signal falls below a stability standard, using the signal of a second reference channel to determine LAT values. Substantial loss of LAT values is avoided in spite of loss of timing stability.
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