3Mesilis NE, Parthenakis FI, Kanakaraki MK,et al. QT variability before and after episodes of nonsustained ventricular tachycardia in patients with hypertrophic cardiomyopathy [ J ]. Pacing Clin Electrephysiol, 1998,21 ( 11 Pt 2) :2387-2391.
4Barron HV, Lesh MD. Autonomic nervous system and sudden cardiac death [ J ]. JACC, 1996,27 (5) : 1053-1060.
5Podrid PJ, Kowey PR. Cardiac Arrhythmia; Mechanism, Diagnosis &Mangement [ M ]. 2 nd edition. Philadelphia : Lippineott Williams &Wilkins a Wohers Kluwer Company,2001:695.
6Wanger GS. Marriott's practical electrocardiography[ M]. 9 th ed. Baltimore: Williams &Wilkins Co, 2004 : 379-399.
7Chou TC. Electrocardiography in Chinical Practice [ M ]. 3th ed, Phiadelphia: Saunders Co,2007:647 -650.