Results 71 to 80 of about 5,458 (233)

Frequency shifting approach towards textual transcription of heartbeat sounds [PDF]

open access: yes, 2011
Auscultation is an approach for diagnosing many cardiovascular problems. Automatic analysis of heartbeat sounds and extraction of its audio features can assist physicians towards diagnosing diseases.
Arvin, Farshad   +2 more
core   +1 more source

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

open access: yesJournal 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   +6 more
wiley   +1 more source

Augmented detection of septal defects using advanced optical coherence tomography network-processed phonocardiogram

open access: yesFrontiers in Cardiovascular Medicine, 2022
BackgroundCardiac auscultation is a traditional method that is most frequently used for identifying congenital heart disease (CHD). Failure to diagnose CHD may occur in patients with faint murmurs or obesity. We aimed to develop an intelligent diagnostic
Po-Kai Huang   +7 more
doaj   +1 more source

Detection of the valvular split within the second heart sound using the reassigned smoothed pseudo Wigner–Ville distribution [PDF]

open access: yes, 2013
BACKGROUND: In this paper, we developed a novel algorithm to detect the valvular split between the aortic and pulmonary components in the second heart sound which is a valuable medical information.
Abdelghani Djebbari   +1 more
core   +1 more source

Emerging Wearable Acoustic Sensing Technologies

open access: yesAdvanced 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   +7 more
wiley   +1 more source

Звукові сигнали діяльності серця і їх аналіз у частотно-часовій області [PDF]

open access: yes, 2013
Дослідження звукових сигналів діяльності серця (аускультація) є одним з ефективних і недорогих методів ранньої діагностики захворювань серцево-судинної системи.
Поворознюк, Н. І.   +1 more
core  

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

open access: yesSmartMat, 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   +5 more
wiley   +1 more source

A phonocardiographic-based fiber-optic sensor and adaptive filtering system for noninvasive continuous fetal heart rate monitoring [PDF]

open access: yes, 2017
This paper focuses on the design, realization, and verification of a novel phonocardiographic-based fiber-optic sensor and adaptive signal processing system for noninvasive continuous fetal heart rate (fHR) monitoring.
Bilík, Petr   +8 more
core   +2 more sources

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

open access: yesThe 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   +5 more
wiley   +1 more source

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