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局灶性房性心动过速定位的临床分析

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摘要 目的探讨同步12导联动态心电图(DCG)在局灶性房性心动过速(AT)定位中的作用。方法回顾性分析48例局灶性AT者,根据AT发生时DCG房性P波(P′波)的形态判断AT的定位。结果 AT多起源于界嵴部(47.92%)和肺静脉(20.83%),其次是冠状窦(12.50%)和间隔部(10.42%);界嵴部发生率最高,与其它部位的比较有显著的统计学差异(P<0.01)。结论应用DCG对AT进行定位是可行的,对提高射频消融治疗的成功有较高的临床应用价值。
出处 《实用心电学杂志》 2010年第3期212-213,共2页 Journal of Practical Electrocardiology
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