摘要急性缺血是导致室性心律失常、心脏性猝死的主要原因之一。本研究以经冠状动脉灌注的兔左心室楔形心肌组织块为对象,着重探讨了急性无灌注缺血过程中兔左心室内外膜心肌动作电位、跨壁复极离散度(transmural dispersion of repolarization,TDR)演变规律及室性心律失常发生机制。
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