Results 51 to 60 of about 2,256 (181)

Acoustic Cardiography (ACG) for Left Ventricular Ejection Time (LVET) Monitoring in Preeclampsia Risk Prediction

Clinical Cardiology, Volume 48, Issue 9, September 2025.
ACG‐derived parameters (LVET), integrated with clinical risk factors, demonstrated dynamic monitoring potential for early Preeclampsia detection, particularly in resource‐limited settings. ABSTRACT Background Preeclampsia (PE), a leading cause of maternal morbidity, lacks reliable early biomarkers.
Chunping Tang, Xinxin Zhang, Miao Wang, Yiyuan Xiong, Yingxia Zhu, Qiong Huang, Ningtian Zhou   +6 more
wiley   +1 more source

An Experimental Study on the Phonocardiogram in Dogs

The Japanese Journal of Veterinary Science, 1976
The components of the central vibrations of the first heart sound on thephonocardiogram were studied in dogs. The results obtained are summarized as follows.1. Althottgh a clear time difference was found between Line left and right isometriccontraction pltases at the beginning, no time difference in the occurrence time was clearbetween the left and ...
openaire   +3 more sources

Integration of PCG spectrogram texture and deep features for the diagnosis of heart failure with preserved ejection fraction using heterogeneous stacking ensemble learning

Frontiers in Physiology
This study proposes a novel heterogeneous stacking ensemble learning model for the fusion of phonocardiogram (PCG) spectrogram texture and deep features to detect heart failure with preserved ejection fraction (HFpEF), which plays a critical role in the ...
Yineng Zheng, Yineng Zheng, Jian Qin, Fajin Lv, Fajin Lv, Xia Li, Xingming Guo   +6 more
doaj   +1 more source

Determination of Morphologically Characteristic PCG Segments from Spectrogram Image [PDF]

Telfor Journal, 2010
The three-dimensional presentation of phonocardiac signal, simultaneously considering time, amplitude and frequency, allows the determination of morphological characteristic segments in phonocardiogram (PCG), both in short and long sequences.
I. S. Reljin, M. P. Paskaš, A. M. Gavrovska   +2 more
doaj  

Application of Wavelet Transformation and Artificial Intelligence Techniques in Healthcare: A Systemic Review

WIREs Data Mining and Knowledge Discovery, Volume 15, Issue 2, June 2025.
ABSTRACT The integration of wavelet transformation and artificial intelligence techniques has demonstrated significant potential in healthcare applications. Wavelet analysis enables multi‐scale signal decomposition and feature extraction that, when combined with machine and deep learning approaches, enhance the accuracy and efficiency of medical data ...
Samiul Based Shuvo, Syed Samiul Alam, Syeda Umme Ayman, Arbil Chakma, Massimo Salvi, Silvia Seoni, Prabal Datta Barua, Filippo Molinari, U. Rajendra Acharya   +8 more
wiley   +1 more source

Design and Fabrication of a Chitosan-Based Diaphragm Digital Stethoscope for Heart Sound Acquisition

Micromachines
Cardiac auscultation remains a widely used non-invasive method for assessing cardiac function; however, conventional acoustic stethoscopes are limited by subjective interpretation and lack of digital signal-handling capabilities.
María Claudia Rivas Ebner, Seong-Wan Kim, Giyeon Yu, Emmanuel Ackah, Hyun-Woo Jeong, Kyung Min Byun, Young-Seek Seok, Seung Ho Choi   +7 more
doaj   +1 more source

Comparison of remote and in‐person respiratory function grading of brachycephalic dogs

Veterinary Surgery, Volume 54, Issue 3, Page 573-580, April 2025.
Abstract Objective To compare the reliability of respiratory function grading (RFG) scores assigned in‐person and remotely via video and electronic stethoscope recordings, evaluated by novice and expert graders. Study design Prospective study. Sample population Fifty‐seven brachycephalic dogs. Methods Dogs were evaluated in person by expert graders and
Zong H. Peng, Kathleen M. Ham, Jane Ladlow, Carrie Stefaniak, Nicholas D. Jeffery, Kelley M. Thieman Mankin   +5 more
wiley   +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

Application of Acoustic Cardiography in Assessment of Cardiac Function in Horses with Atrial Fibrillation Before and After Cardioversion

Animals
Left atrial mechanical dysfunction is common in horses following the treatment of atrial fibrillation (AF). This study aimed to evaluate the use of an acoustic cardiography monitor (Audicor®) in quantifying cardiac mechanical and hemodynamic function in ...
Mélodie J. Schneider, Isabelle L. Piotrowski, Hannah K. Junge, Glenn van Steenkiste, Ingrid Vernemmen, Gunther van Loon, Colin C. Schwarzwald   +6 more
doaj   +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