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自主神经对窦房结自律性和窦房结传导性有很大影响。因此应用阿托品,心得安阻滞自主神经后,重复心房调搏,测定窦房结恢复时间(SNRT)和窦房结传导时间(SACT),对评定窦房结功能具有重要意义。最近我们应用这一方法测定了32例正常人、20例病窦患者的窦房结功能,现将结果初步报告如下。对象与方法一.对象及分组(一)对照组:共32例,男25例,女7例。平均年龄55岁(25～75岁)。病史及临床检查未发现明显心肺疾患,无晕厥史。(二)病态窦房结综合征(病窦)组:共20例,男12例,女8例。平均年龄53岁(35～
Autonomic nervous system of the sinus node and sinus node conduction has a great influence. Therefore, the application of atropine, propranolol block the autonomic nervous system, repeated atrial pacing, determination of the sinus node recovery time (SNRT) and sinus node conduction time (SACT), for the evaluation of sinoatrial node function is of great significance. Recently, we applied this method to determine the sinoatrial node function in 32 normal patients and 20 patients with sick sinus. The preliminary results are as follows. Subjects and methods 1. Subjects and groups (a) control group: a total of 32 cases, 25 males and 7 females. The average age of 55 years old (25 to 75 years old). History and clinical examination found no obvious heart and lung disease, no history of syncope. (B) sick sinus syndrome (sick sinus) group: a total of 20 cases, 12 males and 8 females. The average age of 53 years (35 ~