Abstract
We compared a single beat isointegral P wave map with three specially selected isopotential P wave maps of each subject using Pearson correlation coefficient to find out whether it is possible to substitute an isointegral P wave map with any suitable isopotential map. The best correlation between the isointegral map and the isopotential maps was at the instant of the highest maximum during the P wave, the worst correlation was at the instant of the lowest minimum during the P wave. The men's maps correlated significantly better than the women's maps. Our results showed that the supposed substitution is possible in healthy subjects at selected instants.
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