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目前,临床心电图学的理论依据是Eintho-yen’s三角与立体向量环二次投影学说,它们在精确性和科学性上都存在一定弱点。长期临床实践亦暴露出习用心电图检查法的不足:主要由于检查时间和检查部位的限制,不能将发作情况及时准确记录下来;同时,常规报告较繁琐;加压肢体导联的作用(尤其aVR)有下降趋势。ECG及VCG对心肌梗塞等的正确诊断率长期徘徊于70％左右,主因是其成图
At present, the theoretical basis of clinical electrocardiography is the Eintho-yen’s trigonometry and three-dimensional vector loop quadratic projection theory, which have certain weaknesses in accuracy and scientific. Long-term clinical practice also exposed the shortcomings of the use of ECG: mainly due to the inspection time and check the site limitations, can not accurately and timely record of the onset of the situation; the same time, routine reports more cumbersome; pressure limb leads the role (especially aVR) There is a downward trend. ECG and VCG on the correct diagnosis of myocardial infarction, etc. long hovering at about 70%, the main reason is its mapping