preexcitation
[pri:ksɪ'teɪʃn]
释义
[医]预激，预激综合征：心室部分的过早兴奋，发生在Wolff-Parkinson-White综合征时，由于心冲动沿捷径传递而未遭房室结的生理性延迟所致。心电图的特征是P-R间期短，而QRS时间增长;
例句:
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Background - PRKAG 2 mutations cause glycogen - storage cardiomyopathy, ventricular preexcitation, and conduction system degeneration.
背景-PRKAG2突变引起糖原贮积型心肌病, 心室预激和传导系统退化.
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Objective To discuss the influence of preexcitation syndrome on frontal QRS axis and horizontal transitional zone.
目的探讨预激综合征对额面QRS电轴和横面移行区的影响.
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Methods 7 cases of ebstein anomaly with preexcitation syndrome were treated by radiofrequency catheter ablation.
方法对7例预激综合征患者行三尖瓣环处射频消融治疗.