Conclusion The autonomic never system function of CHD patients is damaged,and the AMI patients is the most,and the probability of vertricular arrhythmic events is higher.

• 结论冠心病患者的自主神经活动受损,AMI患者更加明显,其迷走神经张力降低,而交感神经紧张性相对增强,发生恶性室性心律失常的危险性增加。