Objective：To study the factors of the survival rate of rat myocardial infarction model.Methods：The orthogonal test was used in different ways：intubation（oral intubation,incision intubation）,anesthesia（chloral hydrate,urethane）,whether to adopt the three factors and two levels of lidocaine design program,heart rate after intubation,intraoperative mortality,perioperative mortality,total mortality,ventricular arrhythmias release rate,the occurrence of ventricular arrhythmias in rat mortality and postoperative infection rates.Results：The in...
