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Delta QRS distinguishes Ito-mediated J waves from pseudo J waves produced by conduction delay on body surface electrocardiographic
Pacing and Clinical Electrophysiology ( IF 1.8 ) Pub Date : 2021-09-09 , DOI: 10.1111/pace.14359
Yinn Shaung Ooi 1 , Mostafa Amer 1 , Datun Qi 2, 3 , Zhen Yang 4 , Chuanyu Gao 2 , Gan-Xin Yan 1, 2, 3, 5
Affiliation  

On surface electrocardiographic (ECGs), it is difficult to differentiate Ito-mediated J waves, a repolarization phenomenon seen in J wave syndromes (JWS) from terminal QRS deflections that mimic J waves (pseudo J waves) in intraventricular conduction delay (IVCD), an abnormality in depolarization. We hypothesize that the difference between the “maximum QRS duration” inclusive of J point or terminal QRS deflections and the minimum QRS duration identified across a 12-lead ECG is significantly larger in Ito-mediated J waves, and can serve as a marker to make this distinction.

中文翻译:

Delta QRS 将 Ito 介导的 J 波与体表心电图传导延迟产生的伪 J 波区分开来

在表面心电图 (ECG) 上,很难区分 I介导的 J 波,这是一种在 J 波综合征 (JWS) 中看到的复极化现象,与在心室内传导延迟 (IVCD) 中模拟 J 波(假 J 波)的末端 QRS 偏转,去极化异常。我们假设在 I to介导的 J 波中,包括 J 点或末端 QRS 偏转在内的“最大 QRS 持续时间”与跨 12 导联心电图确定的最小 QRS 持续时间之间的差异显着更大,并且可以作为标记做出这种区分。
更新日期:2021-11-04
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