The past century has seen the ongoing development of amplifiers for different
electrophysiological signals to study the work of the heart. Since the vacuum tube era …

Heart sounds and murmur provide crucial diagnosis information for valvular heart diseases
(VHD). A phonocardiogram (PCG) combined with modern digital processing techniques …

Though a number of research articles are available based on different preprocessing
methodologies, all of them are not available in a single article with the practical utility of …

Cardiac PCG signal recordings are an important part of cardiology teleconsultations. The
main problems related to high-quality recordings are due to less experienced healthcare …

Studies that lead to the development of more accessible and low-cost electronic
technologies and devices for biomechanical and biomedical analysis applications are …

The development of ECG acquisition devices brings with it the need to evaluate their
reliability; for this purpose, the signal obtained could be compared with a signal previously …

In order to develop a method for detecting precordial electrode exchange, a frequent
exchange coordinate (FEC) algorithm was implemented, that identified the minimum …

Heart sounds and murmurprovidecrucial diagnosis information for valvular heart diseases
(VHD). Phonocardiogram (PCG) combined with modern digital processing techniques …

Abstract Background and Objective: The present research was motivated by the limitations
of electrode exchange detection algorithms to be implemented in real-time embedded …

Though a number of research articles are available based on different preprocessing
methodologies, all of them are not available in a single article with the practical utility of …