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Method and apparatus for rate-dependent morphology-based cardiac arrhythmia classification
专利权人:
Dan Li
发明人:
Dan Li
申请号:
US11151567
公开号:
US09314210B2
申请日:
2005.06.13
申请国别(地区):
US
年份:
2016
代理人:
摘要:
An implantable medical device includes a tachyarrhythmia detection and classification system that classifies tachyarrhythmias based on a morphological analysis of template and arrhythmic waveforms. The morphological analysis takes effect of heart rate on the morphological characteristics of the template and arrhythmic waveforms into consideration. Correlation between morphological features of the template waveform and corresponding morphological features of an arrhythmic waveform provides for the basis for classifying the tachyarrhythmia. In one embodiment, corresponding morphological features are extracted from the template and arrhythmic waveforms at locations determined by the heart rate associated with a detected arrhythmia episode. In another embodiment, weighting factors each being a function of the heart rate are applied to the template and arrhythmic morphological features before a correlation coefficient is calculated.
来源网站:
中国工程科技知识中心
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http://www.ckcest.cn/home/

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