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Systems and methods for use by an implantable medical device for detecting heart failure based on the independent information content of immittance vectors
Systems and methods for use by an implantable medical device for detecting heart failure based on the independent information content of immittance vectors
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机译:由植入式医疗设备基于导纳向量的独立信息内容检测心力衰竭的系统和方法
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摘要
Techniques are provided for detecting heart failure or other medical conditions within a patient using an implantable medical device, such as pacemaker or implantable cardioverter/defibrillator, or external system. In one example, physiological signals, such as immittance-based signals, are sensed within the patient along a plurality of different vectors, and the amount of independent informational content among the physiological signals of the different vectors is determined. Heart failure is then detected by the implantable device based on a significant increase in the amount of independent informational content among the physiological signals. In response, therapy may be controlled, diagnostic information stored, and/or warning signals generated. In other examples, at least some of these functions are performed by an external system.
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