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Development of a didactic platform for teaching the Einthoven's Triangle

Abstract:

The Einthoven's Triangle is a fundamental concept in electrophysiology and biomedical instrumentation. However, it is complicated to understand for students, because the concept is very abstract. Therefore, we present here the development of a didactic platform for teaching this concept interactively. The developed platform is constituted by the hardware for data acquisition, the software for signal processing and a user graphical interface. Its use let the students to identify the different points where the electrodes have to be connected to get the signal of the different leads and visualize those signals. Additionally, the graphical interface allows the selection of any two leads for the automatic deduction of the signal of the dipole that represents the heart as a unique source of current.