Results 11 to 20 of about 4,481,103 (333)
Segmentation of Heart Sound Signal Based on Multi-Scale Feature Fusion and Multi-Classification of Congenital Heart Disease [PDF]
BioengineeringAnalyzing heart sound signals presents a novel approach for early diagnosis of pediatric congenital heart disease. The existing segmentation algorithms have limitations in accurately distinguishing the first (S1) and second (S2) heart sounds, limiting ...
Yuan Zeng +3 more
doaj +2 more sources
Lightweight End-to-End Neural Network Model for Automatic Heart Sound Classification
Information, 2021 Heart sounds play an important role in the initial screening of heart diseases. However, the accurate diagnosis with heart sound signals requires doctors to have many years of clinical experience and relevant professional knowledge.
Tao Li +4 more
doaj +2 more sources
Advanced heart disease classification based on multi-channel heart sound coupling features. [PDF]
PLoS ONEConventional heart sound classification methods often rely on single-channel, one-dimensional feature extraction, which inadequately captures pathological relationships across different auscultation zones, thereby limiting the accuracy of heart disease ...
Yu Fang +5 more
doaj +2 more sources
Hemodynamics-driven mathematical model of third heart sound generation [PDF]
Frontiers in Physiology, 2022 The proto-diastolic third heart sound (S3) is observed in various hemodynamic conditions in both normal and diseased hearts. We propose a novel, one-degree of freedom mathematical model of mechanical vibrations of heart and blood that generates the third
Mehrdad Shahmohammadi +8 more
doaj +2 more sources
A Comprehensive Survey on Heart Sound Analysis in the Deep Learning Era [PDF]
IEEE Computational Intelligence Magazine, 2023 Heart sound auscultation has been applied in clinical usage for early screening of cardiovascular diseases. Due to the high demand for auscultation expertise, automatic auscultation can help with auxiliary diagnosis and reduce the burden of training ...
Zhao Ren +5 more
semanticscholar +1 more source
NRC-Net: Automated noise robust cardio net for detecting valvular cardiac diseases using optimum transformation method with heart sound signals [PDF]
Biomedical Signal Processing and Control, 2023 Cardiovascular diseases (CVDs) can be effectively treated when detected early, reducing mortality rates significantly. Traditionally, phonocardiogram (PCG) signals have been utilized for detecting cardiovascular disease due to their cost-effectiveness ...
Samiul Based Shuvo +5 more
semanticscholar +1 more source
Wandering fourth heart sound. [PDF]
Eur Heart J Case Rep, 2022 Kunigita T +3 more
europepmc +3 more sources
Analysis of Heart-Sound Characteristics during Motion Based on a Graphic Representation
Sensors, 2021 In this paper, the graphic representation method is used to study the multiple characteristics of heart sounds from a resting state to a state of motion based on single- and four-channel heart-sound signals.
Chen-Jun She, Xie-Feng Cheng, Kai Wang
doaj +1 more source
IEEE Access, 2023 This paper proposes an intelligent stethoscope system that synchronously displays the electrocardiogram (ECG) and heart sound. The instrument, which accelerates auscultation, can be used for the diagnosis of valvular heart disease (VHD) for clinical ...
Shuenn-Yuh Lee +5 more
doaj +1 more source
Advanced Functional Materials, 2023 Low‐cost and wearable heart sound sensors can facilitate early detection and monitoring of cardiovascular and respiratory diseases. Such sensors are currently limited by either the complexity of fabrication processes or low sensitivity and reliability ...
Yihao Li, Yan Huang, Ni Zhao
semanticscholar +1 more source