Brugada波型下壁导联ST段压低：一种新征象。
ST Segment Depression in the Inferior Leads in Brugada Pattern: A New Sign.
作者信息
Crea Pasquale, Picciolo Giuseppe, Luzza Francesco, Oreto Giuseppe
机构信息
Department of Clinical and Experimental Medicine, University Hospital of Messina, Messina, Italy.
出版信息
Ann Noninvasive Electrocardiol. 2015 Nov;20(6):561-5. doi: 10.1111/anec.12247. Epub 2014 Dec 24.
Abstract
BACKGROUND
Brugada pattern (BP) is characterized by J wave and elevated ST segment in the right precordial leads. At times the ECG signs are present only with the electrodes displaced 1 or 2 intercostal spaces above.
METHODS
We analyzed the electrocardiograms of 87 subjects with type 1 BP looking for ST segment depression (≥ 0.1 mV with duration ≥ 0.08 s) in the inferior leads. In 21 subjects, BP pattern was evident only with V1 -V2 electrodes at the 3rd or 2nd space.
RESULTS
ST segment depression was present in 41 cases (47%). In the 21 patients with BP recognizable only at the 2nd or 3rd intercostal space, 10 (48%) presented a significant ST depression in the inferior leads.
CONCLUSIONS
ST segment analysis in the inferior leads has never been considered for BP diagnosis. When accurately searched for, however, ST segment depression can be observed in those leads in BP, suggesting the need for further investigation.
摘要
背景
Brugada波型（BP）的特征是右胸前导联出现J波和ST段抬高。有时心电图表现仅在电极位置上移1或2个肋间时才出现。
方法
我们分析了87例1型BP患者的心电图，以寻找下壁导联的ST段压低（≥0.1mV，持续时间≥0.08s）。在21例患者中，BP波型仅在第3或第2肋间的V1 - V2电极处明显。
结果
41例（47%）出现ST段压低。在仅在第2或第3肋间可识别BP的21例患者中，10例（48%）下壁导联出现明显ST压低。
结论
下壁导联的ST段分析从未被用于BP的诊断。然而，经过仔细检查，BP患者的这些导联中可观察到ST段压低，提示需要进一步研究。
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