发明名称 |
METHOD AND APPARATUS FOR DETECTION AND MONITORING OF T-WAVE ALTERNANS |
摘要 |
A system and method are provided for assessing T-wave alternans (TWA) using cardiac EGM signals received from implanted electrodes. A T-wave signal parameter is measured from signals received by an automatic gain control sen se amplifier. A TWA measurement is computed from a beat-by-beat comparison of T - wave parameter measurements or using frequency spectrum techniques. The TWA measurement magnitude and measurement conditions are used in detecting a clinically important TWA. TWA assessment further includes discriminating concordant and discordant TWA in a multi-vector TWA assessment, and determining the association of a TWA measurement with QRS alternans, mechanical alternans, and other physiological events. A prediction of a pathological cardiac event is made in response to a TWA assessment. A respon se to a cardiac event prediction is provided.
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申请公布号 |
CA2595148(A1) |
申请公布日期 |
2006.06.08 |
申请号 |
CA20052595148 |
申请日期 |
2005.12.01 |
申请人 |
MEDTRONIC, INC. |
发明人 |
ZHOU, XIAOHONG;MULLEN, THOMAS J.;GILLBERG, JEFFREY M.;STADLER, ROBERT W. |
分类号 |
A61B5/0452 |
主分类号 |
A61B5/0452 |
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