PROBLEM TO BE SOLVED: To provide an electrocardiogram information processor suitable for paperless operation by determining the existence/absence of a delay potential being a minute signal component, an electrocardiogram information processing method and an electrocardiogram information processing program.SOLUTION: The electrocardiogram information processor has an acquisition part for acquiring an added average electrocardiogram by performing added average processing of an electrocardiogram signal of a subject, a determination part for determining the existence/absence of a delay potential in the acquired added average electrocardiogram, and a display processing part for displaying a determination result of the existence/absence of the delay potential in a display device.COPYRIGHT: (C)2014,JPO&INPIT【課題】微小な信号成分である遅延電位の有無の判定を行い、ペーパーレス運用に適した心電図情報処理装置、心電図情報処理方法および心電図情報処理プログラムを提供すること。【解決手段】心電図情報処理装置は、被検者の心電図信号に対して加算平均処理を行うことにより加算平均心電図を取得する取得部と、取得された加算平均心電図において遅延電位の有無を判定する判定部と、前記遅延電位の有無の判定結果を表示装置に表示させる表示処理部と、を有する。【選択図】図4