T波电交替的形成机制及其临床意义
摘要
T波电交替(T wave alternans,TWA)是指在规整的心律时,体表心电图上T波形态、极性和振幅的逐搏交替变化.这种心电现象可见于长QT间期综合征、急性心肌缺血、变异型心绞痛、猝死以及电解质紊乱.……
出处
《河北医科大学学报》
CAS
2009年第7期738-740,共3页
Journal of Hebei Medical University
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