To provide an electrocardiograph capable of achieving stable radio communication.SOLUTION: The electrocardiograph, recording an electrocardiogram on the basis of a signal obtained from an electrode mounted on a subject, includes first communication means and second communication means for executing radio communication with an external apparatus and control means for controlling operations of the first communication means and the second communication means.SELECTED DRAWING: Figure 1【課題】安定した無線通信を実現する心電計を提供すること。【解決手段】被検者に装着された電極から得られる信号に基づいて心電図を記録する心電計であって、外部機器との無線通信を行う第１の通信手段および第２の通信手段と、第１の通信手段および第２の通信手段の動作を制御する制御手段と、を有する。【選択図】図１
