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DETERMINING ONSETS AND OFFSETS OF CARDIAC DEPOLARIZATION AND REPOLARIZATION WAVES
DETERMINING ONSETS AND OFFSETS OF CARDIAC DEPOLARIZATION AND REPOLARIZATION WAVES
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机译:确定心脏去极化和再极化波的起点和终点
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摘要
In one example, a method includes determining a slope of a cardiac electrogram. The method may also include determining a threshold value based on a maximum of the slope of the cardiac electrogram. The method may further include identifying a last point of the cardiac electrogram before the slope of the cardiac electrogram crosses the threshold as one of an onset or an offset of a wave. In another example, the method further includes receiving an indication of local ventricular motion associated with a cardiac contraction, and determining an electromechanical delay between the identified onset and the local ventricular motion. Some examples include providing the electromechanical delay for configuration of cardiac resynchronization therapy.
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