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目的：观察氨酰心安治疗急性心肌梗塞早期心律失常的疗效；方法：将５９例急性心肌梗塞早期出现室性心律失常者随机分组，３０例给予小剂量氨酰心安治疗，并与２９例应用利多卡因者进行对照研究；结果：氨酰心安治疗组总有效率为８０．００％，利多卡因组为８６．２１％，两组对比无明显差异（Ｐ＞０．０５）；结论：小剂量氨酰心安治疗急性心肌梗塞早期室性心律失常疗效显著，安全可行。
Objective: To observe the efficacy of Atenolol in the treatment of early arrhythmia in acute myocardial infarction.Methods: Fifty-nine patients with ventricular arrhythmia in early stage of acute myocardial infarction were randomized and 30 cases were treated with low-dose atenolol and compared with 29 cases Control group. Results: The total effective rate of Atenolol treatment group was 80.00% and that of lidocaine group was 86.21%, there was no significant difference between the two groups (P> 0.05). Conclusion: Small Dose Atenolol treatment of acute ventricular arrhythmias early myocardial infarction significant effect, safe and feasible.