Percorrer por autor "Domingos, Daniel Afonso de Jesus Ribeiro"
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- Electrocardiography signal generation systemPublication . Domingos, Daniel Afonso de Jesus Ribeiro; Lourenço, André Ribeiro; Silva, Hugo Plácido daAbstract Simulation systems play a critical role in maintenance, education, research, and procedural training, through modeling and reproduction of specific conditions and biosignals, such as ECG. However, conventional ECG simulators bypass the complexities of the skin-electrode interface, which is essential for high-quality and real-world resemblance signal acquisition during electrocardiogram (ECG) exams. The absence of this interface in simulation settings often neglects the impact of impedance, a key factor influencing signal quality and veracity. This study introduces a novel 1-lead ECG simulation device designed to emulate the skinelectrode interface and assess the effects of impedance on ECG signal quality. The system integrates a computer interface for controlling and managing a signal generator device, with ECG signals sourced from a publicly available physiological signals database. The developed device demonstrates the significance of impedance in medical-grade ECG signal fidelity, emphasizing the importance of contact area in mitigating signal distortion. This work highlights the potential of advanced simulation systems to enhance the realism of training and testing environments, ultimately improving diagnostic accuracy, learning and a rigorous maintenance.