Article
Familial aggregation and heritability of electrocardiographic intervals and heart rate in a rural Chinese population.
Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc - 1 Apr 2009
Li Jianping, Huo Yong, Zhang Yan, Fang Zhian, Yang Jianhua, Zang Tonghua, Xu Xiping, Xu Xin
Abstract excerpt
BACKGROUND: Estimates of the genetic influences on electrocardiographic (ECG) parameters are inconsistent in previous reports, and no such studies have been performed in China. So we estimated genetic contributions to PR and QRS intervals and the rate-adjusted QT interval (Bazett's QTc) in a Chinese rural population. METHODS: A total of 2909 subjects from 847 families were enrolled in the current study. Genetic...
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