自1986年7月我院给82例病人使用QB—Ⅰ型埋藏式心脏起搏器(西安航空发动机公司医疗器械厂产品)87台,其中更换20台,仍继续使用观察者67台。现将临床观察结果报告如下:临床应用82例中:男性30例、女性52例;80岁以上者4例,最大年龄为85岁,最小年龄为24岁,平均年龄57.9岁.各例病人均经详细询问病史,系统查体,并经心电图、胸部X 线片、B 型心动超声检查、阿托品试验及电生理检查确定诊断。临床主要症状为:间歇性头晕、心慌、胸闷、疲乏、劳力低下,其中有晕厥史者76例,占92.6%。临床诊断主要有:冠心病、心肌病(或慢性 Since July 1986, 87 patients with QB-Ⅰ type implanted pacemakers (products of Xi’an Aero-Engine Co., Ltd. Medical Device Factory) were used in 82 patients in our hospital, of which 20 were replaced and 67 observers were still used. The clinical observation results are reported as follows: clinical application of 82 cases: 30 males and 52 females; 80 years of age in 4 cases, the maximum age of 85 years, the minimum age of 24 years, mean age 57.9 years. After detailed history, physical examination, and by electrocardiogram, chest X-ray, B-type echocardiography, atropine test and electrophysiological examination to determine the diagnosis. Clinical main symptoms are: intermittent dizziness, palpitation, chest tightness, fatigue, low labor, including 76 cases of history of syncope, accounting for 92.6%. Clinical diagnosis are: coronary heart disease, cardiomyopathy (or chronic