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本文42例SSS占我院心内科同期住院病人总数的1.68％,平均首次患病年龄48.7±14.7岁,入院时平均年龄54.8±14.5岁,安装心脏起搏器时的平均年龄为62.3±11.2岁,首次患病距安装心脏起搏器之间的时间平均为7.7±7.7年。SSS患者的平均心率为57±12.5跳,74.2%的病人可记录到窦房阻滞,50％有窦性停搏。有窦房结功能不全者,其直接法测得的SACT,有80％延长,相反窦房结功能正常者,94％的人其SACT在正常范围内,提示以窦房结电位图测SACT,对诊断SSS的敏感性及特异性均较好。
In this paper, 42 cases of SSS accounted for 1.68% of the total number of inpatients in our hospital during the same period of cardiology, mean age at first onset was 48.7 ± 14.7 years, average age at admission was 54.8 ± 14.5 years, and mean age at installation of pacemaker was 62.3 ± 11.2 years , The first time between the installation of pacemakers away from the average time of 7.7 ± 7. 7 years. The mean heart rate was 57 ± 12.5 hips in patients with SSS, sinoatrial block was recorded in 74.2% of patients, and sinus arrest was present in 50%. With sinus node dysfunction, the direct method measured SACT, 80% of the extension, the opposite normal sinus node function, 94% of the SACT in the normal range, suggesting that the sinus node potential plot measured SACT, Sensitivity and specificity for the diagnosis of SSS are better.