| 摘要 |
PURPOSE:To smoothly perform a series of treatment operations while observing the waveform of an electrocardiography signal, by providing a display part for displaying the waveform of the electrocardiography signal on at least one of the first and second electrodes. CONSTITUTION:When electrodes 1, 2 are applied to the breast part of a patient, electrocardiography signals G1, G2 are inputted to an input protection circuit 3A from electrodes 11, 21 through the relay 3J changed over to the input protection circuit 3A and subsequently inputted to an electrocardiography signal amplifying part 3B. The difference between the electrocardiography signals G1, G2 is amplified by the electrocardiography signal amplifying part 3B and the amplified electrocardiography signal G3 is processed by a system control part 3D and the signal G5 after processing is inputted to a video signal converting circuit 3F. The electrocardiography signal G6 converted to a video signal is displayed on a display part 23 as the waveform of the electrocardiography signal. Therefore, a series of treatment operations can be smoothly performed while the waveform of the cardiography signal is observed.
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