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IMPLANTABLE SYSTEMS AND METHODS FOR MONITORING MYOCARDIAL ELECTRICAL STABILITY BY DETECTING PVC INDUCED T-WAVE ALTERNANS REVERSALS
IMPLANTABLE SYSTEMS AND METHODS FOR MONITORING MYOCARDIAL ELECTRICAL STABILITY BY DETECTING PVC INDUCED T-WAVE ALTERNANS REVERSALS
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机译:通过检测PVC诱导的T波Alternans逆转来监测心肌电稳定性的可植入系统和方法
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摘要
Embodiments of the present invention relate to implantable systems, and methods for use therewith, for assessing a patients' myocardial electrical stability. Implanted electrodes are used to obtain an electrogram (EGM) signal, which is used to identify periods when the patient experiences T-wave alternans. Additionally, the EGM signal is used to determine whether premature ventricular contractions (PVCs) cause phase reversals of the T-wave alternans. The patient's myocardial electrical stability is assessed based on whether, and in a specific embodiment the extent to which, PVCs cause phase reversals of the T-wave alternans. This abstract is not intended to be a complete description of, or limit the scope of, the invention.
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