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患者男性,63岁.有冠心病、慢-快综合征病史21年,多次发生昏厥。于1982年7月17日反复出现窦性停搏(最长达21s)伴阿-斯综合征,当日在本院经左头静脉插入电极安置YCP—II型VVI起搏器,效果良好.因电源耗竭先后更换过同型起搏器4次.1992年5月15日再次在本院更换起搏器。鉴于原电极已使用10年,故于右头静脉重新插入新电极,安置YCP—IIA型起搏器.新、旧电极头相距约2cm,起搏阈值1V,起搏及感知功能良好,无自觉不适.埋植新起搏器后,切开左上胸皮肤取出旧起搏器.旧电极未取出只拔去其金属插针,透视下见金属
Male patient, age 63. Coronary heart disease, slow-fast syndrome history of 21 years, many syncope. On July 17, 1982 repeated sinus arrest (up to 21s) with As - Syndrome, the same day in our hospital through the left venous catheter placement YCP-II VVI pacemaker, the effect is good. Power depletion has replaced the same type of pacemaker 4. May 15, 1992 again in our hospital to replace the pacemaker. In view of the original electrode has been used for 10 years, so in the right vein re-insert the new electrode, placement YCP-IIA pacemaker.New and old electrodes are about 2cm apart, pacing threshold 1V, pacing and sensing function is good, unconscious Discomfort.After implanted new pacemaker, cut the left upper chest skin out of the old pacemaker.The old electrode is not only pulled out of its metal pin, see the metal under fluoroscopy