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Ｕ波倒置为常见的ＥＣＧ改变，绝大多数见于器质性心脏病。有研究报道２００例Ｕ波倒置的病例中，１９７例患者有器质性心脏病。而且最常见于冠心病、高血压病和瓣膜性心脏病（主动脉瓣关闭不全和二尖瓣关闭不全）［１］。但关于Ｕ波产生的机理尚无定论，因而Ｕ波倒置的形成机
U wave inversion is a common ECG changes, the vast majority found in organic heart disease. It has been reported in 200 cases of U wave inversion cases, 197 patients with organic heart disease. And the most common coronary heart disease, hypertension and valvular heart disease (aortic regurgitation and mitral regurgitation) [1]. However, the mechanism of U wave generation is inconclusive, and therefore U wave inversion formation machine