Methods Acute myocardial ischemia (AMI) model was set up by ligating the left ventricular branch of coronary artery of rabbit.ST segment in ECG and scope of AMI were applied as indices to the study.

• 方法结扎家兔冠脉左室支造成急性心肌缺血模型,以心电图ST段和心肌缺血范围为指标,随机分对照组、电针内关组和纳洛酮加电针组。