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激后综合征(Postexcitation syndrome)又称为心室激后(Ventricular postexcitation)或激后现象(Post-excitation phenomenon),系指心室去极化结束后(根据体表心电图判定)所记录到的延迟的心外膜电位——迟电位(Late potentials)。“激后”是一组心室肌纤维延迟兴奋的表现,是严重局部传导障碍的结果。一、迟电位的主要特征1.心外膜电位包括至少两个相继的成分,一个与QRS波同时出现,另一个(或一
Postexcitation syndrome, also known as ventricular postexcitation or post-excitation phenomenon, refers to the recorded delay (after electrocardiographic determination of the body surface) recorded at the end of ventricular depolarization Epicardial potentials - Late potentials. “Post-shock” is a group of delayed excitation of ventricular myocytes, which is the result of severe local conduction disorders. First, the main features of the late potentials 1. Epicardial potentials include at least two consecutive components, one with the QRS wave appears at the same time, the other (or a