右束子分支阻塞,右前第六段的升高,以及年轻人的突然死亡
1Department of Cardiology, University of Padua Medical School, Padua, Italy.
Circulation
|February 7, 2001
概括
在年轻的突发死亡受害者中,右前性ST段的升高往往表明心律失常的右心室心肌病变 (ARVC). 这种心电图模式与非运动性心脏骤停和多态心室性心力衰竭有关.
科学领域:
- 心脏病学 心脏病学
- 电子生理学 电子生理学
- 突发心脏病死亡研究研究
背景情况:
- 在心电图上,右束分支阻塞和右前性ST段的升高可能会导致突然死亡.
- 这些心电图发现与心律失常的右心室心肌病变 (ARVC) 和布鲁加达综合征有关.
研究的目的:
- 调查年轻突然心脏病死亡受害者右前ST段升高的患病率和特征.
- 为了确定与这种心电图模式相关的潜在心脏病理.
主要方法:
- 分析了96名年轻突然死亡受害者 (<=35岁) 的12导电心电图.
- 尸体解剖结果与心电图模式和临床病史相关.
- 具有和没有ST段异常的受害者之间的比较.
主要成果:
- 在有可用的心电图的年轻突发死亡受害者中,右前性ST段升高在14%的患者中存在.
- 这些病例中的大多数 (92%) 患有潜在的心律失常性右心室心肌病变 (ARVC).
- 患有ST段升高的患者不太可能成为运动员,更有可能在休息/睡眠时死亡,并显示出动态的心电图变化和多形心室性心动减速.
结论:
- 在年轻的突发死亡受害者中,右前性ST段的升高是ARVC的重要指标,特别是在前壁参与的情况下.
- 这种心电图模式可以识别出一个容易发生与运动无关的心脏骤停的子组,类似于布鲁加达综合征患者.
- 动态心电图变化和多形心室性心动减速是这个子组的特征.
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