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本文共报告埋藏式心脏起搏器频率奔放5例次(3例),占同期所安置心脏起搏器107例次的4.6％,发生率较文献报告为高。频率奔放时最快达190次/分,其中2例次为逐渐增快。其原因4例次与电源耗竭有关,另1例次可能系定时线路故障。文中提出起搏频率增快10次/分则可诊断为频率奔放,一经确诊则应迅速分离电极导线与起搏器的连接,并及时更换起搏器。此外,应十分重视改进国产起搏器的控制线路,减少频率奔放的发生率。
In this paper, a total of 5 cases (3 cases) of implanted pacemakers were reported, accounting for 4.6% of 107 cases of pacemakers placed in the same period. The incidence rate was higher than that reported in the literature. When the frequency of unrestrained up to 190 times / min, of which 2 cases were gradually increased. The reason 4 cases and power depletion related to the other cases may be time line failure. The paper proposed pacing rate increased 10 times / min can be diagnosed as unrestrained frequency, once diagnosed should be quickly separated the electrode lead and pacemaker connection, and timely replacement pacemaker. In addition, we should attach great importance to improving the control circuit of domestic pacemaker to reduce the frequency of unrestrained incidence.