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本研究采用苹果酸麦角新硷诱发冠状动脉痉挛性心绞痛,比较了发作时心电图的u 波倒置和冠状动脉造影所见,以探讨u 波倒置的临床意义。一、对象及方法1.对象:对127例疑及冠状动脉痉挛性心绞痛患者进行冠状动脉造影及麦角新硷负荷试验。符合麦角新硷负荷试验阳性标准的有27例(男性24例,女性3例,29～67岁),不符合标准的有100例(男性48例,女性52例,25～72岁)。进行负荷试验前24小时停用硝酸盐及钙拮抗剂等抗心绞痛药。2.心电图记录及判定u 波变化的方法采用6导联热笔式自动记录心电图机,同步记录
In this study, ergocaltrine malate induced cavernous angina pectoris, we compared echocardiographic u wave inversion and coronary angiography findings to explore the clinical significance of u wave inversion. First, the object and method 1. Subjects: Coronary artery angiography and ergometrine load test of 127 suspected patients with suspected coronary artery spasm angina. There were 27 cases (24 males, 3 females, 29-67 years old) meeting the positive standard of ergot trial. There were 100 cases (48 males, 52 females, 25-72 years) who did not meet the standard. Anti-angina drugs such as nitrates and calcium antagonists should be discontinued 24 hours prior to the load test. 2. ECG recording and determine the u wave changes in the way 6-lead hot pen automatically record ECG, synchronous recording