Results 81 to 90 of about 7,978 (286)

PhonoSys: Mobile Phonocardiography Diagnostic System for Newborns

EAI Endorsed Transactions on Mobile Communications and Applications, 2016
Heart murmurs have been found to be a life threatening condition for the newborns who are born with cardiac abnormalities. The first sign of pathological changes of heart valves appears in phonocardiogram which contains very useful information about ...
Amir Mohammad Amiri, Giuliano Armano, Amir Mohammad Rahmani, Kunal Mankodiya   +3 more
doaj   +1 more source

Diagnosis of cardiac abnormalities based on phonocardiogram using a novel fuzzy matching feature extraction method

BMC Medical Informatics and Decision Making, 2022
Background The diagnosis of cardiac abnormalities based on heart sound signal is a research hotspot in recent years. The early diagnosis of cardiac abnormalities has a crucial significance for the treatment of heart diseases.
Wanrong Yang, Jiajie Xu, Junhong Xiang, Zhonghong Yan, Heng-Kuan Zhou, Binbin Wen, Hai Kong, Rui Zhu, Wang Li   +8 more
semanticscholar   +1 more source

Periodontitis Is Associated With Arterial Stiffness as Measured by Serial Cardio‐Ankle Vascular Index (CAVI): A 10‐Year Cohort Study

Journal of Clinical Periodontology, Volume 52, Issue 3, Page 363-374, March 2025.
ABSTRACT Aim To investigate the effect of periodontitis on the long‐term changes of the cardio‐ankle vascular index (CAVI). Materials and Methods A 10‐year retrospective cohort study of 3842 Thai participants (range 25–76 years) with normal CAVI at the study initiation was undertaken.
Bantita Kanpittaya, Attawood Lertpimonchai, Sanutm Mongkornkarn, Lakshman Samaranayake, Nisakorn Thongmung, Thosaphol Limpijankit, Orawan Charatkulangkun   +6 more
wiley   +1 more source

Emerging Wearable Acoustic Sensing Technologies

Advanced Science, Volume 12, Issue 6, February 10, 2025.
This review summarizes recent advancements in wearable acoustic devices developed through interdisciplinary and bionic approaches. These applications include bio‐acoustic detection, ultrasound energy supply, and ultrasonic diagnosis. It highlights challenges and future directions, aiming to promote their use in the human body and explore integration ...
Tao Liu, Yuchen Mao, Hanjie Dou, Wangyang Zhang, Jiaqian Yang, Pengfan Wu, Dongxiao Li, Xiaojing Mu   +7 more
wiley   +1 more source

Deep learning based classification of unsegmented phonocardiogram spectrograms leveraging transfer learning [PDF]

Physiological Measurement, 2020
Objective. Cardiovascular diseases (CVDs) are a main cause of deaths all over the world. This research focuses on computer-aided analysis of phonocardiogram (PCG) signals based on deep learning that can enable improved and timely detection of heart ...
Kaleem Nawaz Khan, Faiq Ahmad Khan, A. Abid, T. Olmez, Z. Dokur, A. Khandakar, M. Chowdhury, Muhammad Salman Khan   +7 more
semanticscholar   +1 more source

Phonocardiogram segmentation by using an hybrid RBF-HMM model [PDF]

, 2007
This paper is concerned to the segmentation of heart sounds by using Radial-Basis Functions for acoustical modelling, combined with a Hidden Markov Model for heart sounds sequence modelling.
Cardoso, Manuel J., Lima, C. S.
core  

Advancements in wearable heart sounds devices for the monitoring of cardiovascular diseases

SmartMat, Volume 6, Issue 1, February 2025.
This article presents the recent advancements in wearable and flexible heart sound devices, focusing on their mechanics, types of sensors, flexible sensing materials, and prospective denoising techniques. Furthermore, the potential applications of heart sounds for the monitoring of cardiovascular diseases are reviewed as well along with its future ...
Rafi u Shan Ahmad, Muhammad Shehzad Khan, Mohamed Elhousseini Hilal, Bangul Khan, Yuanting Zhang, Bee Luan Khoo   +5 more
wiley   +1 more source

PHONOCARDIOGRAM BASED DIAGNOSTIC SYSTEM

, 2015
A Phonocardiogram or PCG is a plot of high fidelity recording of the sounds and murmurs made by the heart with the help of the machine called phonocardiograph. It has developed continuously to perform an important role in the proper and accurate diagnosis of the defects of the heart.
openaire   +3 more sources

Phonocardiogram segmentation by using Hidden Markov Models [PDF]

, 2007
This paper is concerned to the segmentation of heart sounds by using state of art Hidden Markov Models technology. Concerning to several heart pathologies the analysis of the intervals between the first and second heart sounds is of utmost importance ...
Cardoso, Manuel J., Lima, C. S.
core  

Bipartite Dynamic Pattern and Penta Pooling‐Based Valvular Heart Disorder Detection Model

The Journal of Engineering, Volume 2025, Issue 1, January/December 2025.
This study presents a self‐organised feature engineering (XFE) model for valvular heart disorder (VHD) detection. The proposed model integrates bipartite dynamic pattern (BDP) and penta pooling (PP) for feature extraction, neighbourhood component analysis (NCA) and Chi‐square (Chi2) for feature selection and shallow classifiers (kNN, SVM) for ...
Mehmet Nail Bilen, Irfan Yaman, Mehmet Ali Kobat, Ilknur Sercek, Sengul Dogan, Turker Tuncer   +5 more
wiley   +1 more source