Аннотация:The major target of processing the electrocardiogram (ECG) signals from multiple unipolar leads is the visualization of electrical potential distribution maps on the surface of the torso and epicardium. Such distributions allow to identification of arrhythmogenic zones and areas with impaired conductivity, characteristic of coronary heart disease. The development of a hardware and software complex for recording an electrocardiogram of a woman's bust with 46 pre-installed electrodes, as well as for processing and visualizing the characteristics of the heart based on the data obtained is the goal of this work. The prototype of the electrocardiographic women's vest involves the selection of suitable components and materials, the calculation of errors in electrode placement angles depending on torso parameters, and the development of algorithms for recording ECG. As part of the work, a study was conducted to research the possibility of recording cardiac signals from the mammary gland. The hardware-software complex makes it possible to construct potential distribution on the surface of the body and epicardium. The current registration system helps improve the quality of cardiovascular disease's diagnostics