Analysis of pregnancy development by complexity and information-based analysis of fetal phonocardiogram (PCG) signals

H Namazi, O Krejcar - Fluctuation and Noise Letters, 2021 - World Scientific
One of the crucial areas of pregnancy research is to analyze the pregnancy development.
For this purpose, scientists analyze the different conditions of fetuses to understand their …

Detection of valvular heart diseases combining orthogonal non-negative matrix factorization and convolutional neural networks in PCG signals

J Torre-Cruz, F Canadas-Quesada… - Journal of Biomedical …, 2023 - Elsevier
Background and objective: Valvular heart disease (VHD) is associated with elevated
mortality rates. Although transthoracic echocardiography (TTE) is the gold standard …

Enhanced myocardial infarction identification in phonocardiogram signals using segmented feature extraction and transfer learning-based classification

S Mandala, SS Amini, AR Syaifullah… - IEEE …, 2023 - ieeexplore.ieee.org
Myocardial Infarction (MI), commonly known as a heart attack, is a type of cardiovascular
disease characterized by the death of heart muscle cells. This condition occurs due to the …

Classification of normal/abnormal PCG recordings using a time–frequency approach

H Hazeri, P Zarjam, G Azemi - Analog Integrated Circuits and Signal …, 2021 - Springer
The early and accurate diagnosis of cardiovascular diseases (CVDs) are of great
importance as they allow early and proper medical treatment and therefore result in …

Prediction of heart abnormality using heart sound signals

Y Gadde, TK Kumar - Machine Intelligence Techniques for Data Analysis …, 2023 - Springer
Abstract According to World Health Organization, heart diseases are the leading cause of
death worldwide. An estimated 17.9 million lives are taken every year due to heart diseases …

Real-time modeling of abnormal physiological signals in a phantom for bioengineering education

H Vieira, N Costa, LP Coelho… - 2020 IEEE Global …, 2020 - ieeexplore.ieee.org
In clinical practice and in particular in the diagnostic process, the assessment of cardiac and
respiratory functions is supported by electrocardiogram and auscultation. These exams are …

Simulation of Abnormal Physiological Signals in a Phantom for Bioengineering Education

H Vieira, N Costa, J Alves, L Coelho - 2020 - learntechlib.org
In clinical practice and in particular in the diagnostic process, the assessment of cardiac and
respiratory functions is supported by electrocardiogram and auscultation. These exams are …

Research on predicting velocity-time integral of shunt How using time-frequency features of heart sound with correlation

M Zhou, H Duan, Q Shu, J Ye… - … Conference on Information …, 2021 - ieeexplore.ieee.org
Some cardiac diseases, such as ventricular or aortic septal defects, will cause shunt lesions
accompanied by murmurs. The hemodynamic properties of shunt flow can he measured …

A Proposal of Optimal Wavelet Based Smoothing for EGG Signal Trend Detection

J Kubicek, J Kosturikova, D Vilimek… - … and Database Systems …, 2020 - Springer
Despite knowing the electrogastrography (EGG) for many years, there are still open issues
regarding its measurement and processing. In the comparison with other …