急性冠状动脉综合征合并巨大顿挫型J波时出现的短暂性左间隔分支阻滞。
Transient left septal fascicular block in the setting of acute coronary syndrome associated with giant slurring variant J-wave.
作者信息
Pérez-Riera Andrés Ricardo, Barbosa-Barros Raimundo, Lima Aragão Wallam, Daminello-Raimundo Rodrigo, de Abreu Luiz Carlos, Tonussi Mendes Rossette do Valle Joseane Elza, Esposito Sorpreso Isabel Cristina, Nikus Kjell
机构信息
Design of Studies and Scientific Writing Laboratory in the ABC School of Medicine, Santo André, São Paulo, Brazil.
Coronary Center of the Messejana Hospital Dr. Carlos Alberto Studart Gomes, Fortaleza, Brazil.
出版信息
Ann Noninvasive Electrocardiol. 2018 Nov;23(6):e12536. doi: 10.1111/anec.12536. Epub 2018 Feb 24.
Abstract
We report a case of acute coronary syndrome with transient prominent anterior QRS forces (PAF) caused by proximal subocclusion of the left anterior descending (LAD) coronary artery before the first septal perforator branch. The ECG change indicates left septal fascicular block (LSFB) with associated slurring-type giant J-wave. Currently, this J-wave variant is considered as a lambda-like wave or QRS-ST-T "triangulation". Its presence is indicative of poor prognosis because of the risk for cardiac arrest as a consequence of ventricular tachycardia/ventricular fibrillation (VT/VF).
摘要
我们报告一例急性冠状动脉综合征，其在第一间隔穿支分支之前由左前降支（LAD）冠状动脉近端次全闭塞引起短暂突出的前向QRS波力（PAF）。心电图改变提示左间隔分支阻滞（LSFB）伴相关的模糊型巨大J波。目前，这种J波变异被认为是λ样波或QRS-ST-T“三角化”。由于室性心动过速/心室颤动（VT/VF）导致心脏骤停的风险，其存在提示预后不良。
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