心电图特征: 图2:梯形图,旁路2:1下传,偶见房室结下传。 心电图解析: 图3:Steurer算法 本例患者复律后显示了典型的心室预激(如图4),并成功进行了旁路消融手术。心动过速时预激的诊断依赖于2:1的房室比例,和QRS波初始部分的缓慢,以及通过Steurer算法排除了部分VT。 图4:复律后和消融术后对比图 ------------------------------------- 作者简介: 参考文献: 【1】Steurer G, Gürsoy S, Frey B, Simonis F, Andries E, Kuck K, Brugada P. The differential diagnosis on the electrocardiogram between ventricular tachycardia and preexcited tachycardia. Clin Cardiol. 1994 Jun;17(6):306-8. doi: 10.1002/clc.4960170606. 【2】Antunes E, Brugada J, Steurer G, Andries E, Brugada P. The differential diagnosis of a regular tachycardia with a wide QRS complex on the 12-lead ECG: ventricular tachycardia, supraventricular tachycardia with aberrant intraventricular conduction, and supraventricular tachycardia with anterograde conduction over an accessory pathway. Pacing Clin Electrophysiol. 1994 Sep;17(9):1515-24. doi: 10.1111/j.1540-8159.1994.tb01517.x. 【3】Jastrzębski M, Moskal P, Kukla P, Fijorek K, Kisiel R, Czarnecka D. Specificity of wide QRS complex tachycardia criteria and algorithms in patients with ventricular preexcitation. Ann Noninvasive Electrocardiol. 2018 Mar;23(2):e12493. doi: 10.1111/anec.12493. Epub 2017 Sep 12. |
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