A generation method of they surface ECG peak isoelectric map is discussed in this article, which includes the gridding of 2─D expansion map, building up of edge table, interpolation of isoelectric points on isoelectric line, the generation of the sequence table of isoelectric points and the generation of peak isoelectric map. Using this method, clinical research is carried out in 32 cases with the spatial distribution of isoelectric map of five types of abnormal ECG. Some inspiring results are obtained.
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