利多卡因是一种治疗和预防室性心律失常有效药物。如应用不当,有诱发心赃停搏的危险,应引起重视。现报告2例。例一、男,64岁。不典型心绞痛病史二年余,近二个月来发作频繁,痛疼程度加重,时间延长,含化硝酸甘油片症状能缓解。1986年5月心电图示下壁心肌供血不足伴偶发室性早搏。1987年8月6日8时,因劳累突然发生心窝部闷塞样剧烈疼痛,大汗淋漓,烦躁不安,含化硝酸苷油片症状不能缓解。10点钟描记心电图示:急性下壁心肌梗塞,Ⅱ度房室传导阻滞,频发室性早搏并短阵室性心动过 Lidocaine is an effective drug for the treatment and prevention of ventricular arrhythmias. If improperly used, there is the risk of cardiac arrest, should pay attention. Now report 2 cases. Example one, male, 64 years old. More than two years of history of atypical angina pectoris, seizures in the past two months, aggravating the pain degree, prolonged, nitroglycerin-containing tablets can ease the symptoms. May 1986 ECG shows inferior myocardial infarction with premature ventricular contractions. At 8:00 on August 6, 1987, due to fatigue suddenly stuffy heart stuffy stuffy plug like severe pain, sweating, irritability, containing nitric acid oil tablets can not relieve the symptoms. ECG at 10 o’clock: Acute inferior myocardial infarction, degree atrioventricular block, frequent premature ventricular contractions and bradycardia