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Intra-cardiac echocardiography (ICE) is a crucial imaging modality used in electrophysiology (EP) and structural heart disease (SHD) interventions, providing realtime, high-resolution views from within the heart. Despite its advantages,…

Artificial Intelligence · Computer Science 2025-01-23 Jaeyoung Huh , Paul Klein , Gareth Funka-Lea , Puneet Sharma , Ankur Kapoor , Young-Ho Kim

Coronary arteries and their branches supply blood to myocardium. The obstruction of coronary arteries results in significant loss of myocardium, called acute myocardial infarction, and the number one cause of death globally. Hence,…

Computational Geometry · Computer Science 2017-08-31 Jehyun Chaa , Joonghyun Ryub , Jin-Ho Choi , Deok-Soo Kim

This paper introduces a multi-frequency factorization method for imaging a time-dependent source, specifically to recover its spatial support and the associated excitation instants. Using far-field data from two opposite directions, we…

Numerical Analysis · Mathematics 2026-04-28 Guanqiu Ma , Hongxia Guo , Guanghui Hu

Accurate localization of myocardial infarction is essential for risk stratification. While LGE-MRI remains the gold standard, it is resource-intensive. Integrating cine MRI with ECG enables a more detailed representation of infarct…

Computer Vision and Pattern Recognition · Computer Science 2026-05-22 Mengxiao Wang , Yilin Lyu , Julia Camps , Ching Hui Sia , Mark Yan-Yee Chan , Yanrui Jin , Shuzhi Sam Ge , Chengliang Liu , Lei Li

Abnormal patterns of ventricular repolarisation contribute to lethal arrhythmias in various cardiac conditions, including inherited and acquired channelopathies, cardiomyopathies, and ischaemic heart disease. However, methods to detect…

Medical Physics · Physics 2025-06-30 James A Coleman , Julia Camps , Abdallah I Hasaballa , Alfonso Bueno-Orovio

Numerical simulations of cardiovascular mass transport pose significant challenges due to the wide range of P\'eclet numbers and backflow at Neumann boundaries. In this paper we present and discuss several numerical tools to address these…

Computational Physics · Physics 2020-06-24 Sabrina R. Lynch , Nitesh Nama , Zelu Xu , Christopher J. Arthurs , Onkar Sahni , C. Alberto Figueroa

Cardiovascular disorders account for nearly 1 in 3 deaths in the United States. Care for these disorders are often determined during visits to acute care facilities, such as hospitals. While the length of stay in these settings represents…

Signal Processing · Electrical Eng. & Systems 2019-08-20 Nathan C. Hurley , Erica S. Spatz , Harlan M. Krumholz , Roozbeh Jafari , Bobak J. Mortazavi

The aim of this paper is to propose an application of mutual information-based ensemble methods to the analysis and classification of heart beats associated with different types of Arrhythmia. Models of multilayer perceptrons, support…

Computational Engineering, Finance, and Science · Computer Science 2015-02-09 Othman Soufan , Samer Arafat

Given the global prevalence of cardiovascular diseases, there is a pressing need for easily accessible early screening methods. Typically, this requires medical practitioners to investigate heart auscultations for irregular sounds, followed…

Sound · Computer Science 2024-12-05 Linh Vu , Thu Tran

Knowledge of appropriate local fiber architecture is necessary to simulate patient-specific electromechanics in the human heart. However, it is not yet possible to reliably measure in-vivo fiber directions, especially in human atria. Thus,…

Acquiring an anatomical map from position data is important for medical applications where catheters interact with soft tissues. To improve autonomous navigation in these settings, we require information beyond nonparametric maps typically…

Robotics · Computer Science 2020-07-14 Michael R. Walker

Percutaneous catheter pumps are intraventricular temporary mechanical circulatory support (MCS) devices that are positioned across the aortic valve into the left ventricle (LV) and provide continuous antegrade blood flow from the LV into…

Medical Physics · Physics 2023-12-11 Greg W. Burgreen , Mansur Zhussupbekov , Rodrigo Méndez Rojano , James F. Antaki

The ability to localize and track acoustic events is a fundamental prerequisite for equipping machines with the ability to be aware of and engage with humans in their surrounding environment. However, in realistic scenarios, audio signals…

Audio and Speech Processing · Electrical Eng. & Systems 2020-10-22 Christine Evers , Heinrich Loellmann , Heinrich Mellmann , Alexander Schmidt , Hendrik Barfuss , Patrick Naylor , Walter Kellermann

Coronary angiography is the gold standard imaging technique for studying and diagnosing coronary artery disease. However, the resulting 2D X-ray projections lose 3D information and exhibit visual ambiguities. In this work, we aim to…

Computer Vision and Pattern Recognition · Computer Science 2023-12-20 Yifan Wu , Rohit Jena , Mehmet Gulsun , Vivek Singh , Puneet Sharma , James C. Gee

This paper presents a decentralized algorithm for a team of agents to track time-varying fixed points that are the solutions to time-varying convex optimization problems. The algorithm is first-order, and it allows for total asynchrony in…

Optimization and Control · Mathematics 2021-10-14 Gabriel Behrendt , Matthew Hale

Cardiac auscultation involves expert interpretation of abnormalities in heart sounds using stethoscope. Deep learning based cardiac auscultation is of significant interest to the healthcare community as it can help reducing the burden of…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Siddique Latif , Muhammad Usman , Rajib Rana , Junaid Qadir

Introduction: An approach to building a hybrid simulation of patient flow is introduced with a combination of data-driven methods for automation of model identification. The approach is described with a conceptual framework and basic…

Computers and Society · Computer Science 2020-04-03 Sergey V. Kovalchuk , Anastasia A. Funkner , Oleg G. Metsker , Aleksey N. Yakovlev

Electrocardiogram (ECG) is one of the most convenient and non-invasive tools for monitoring peoples' heart condition, which can use for diagnosing a wide range of heart diseases, including Cardiac Arrhythmia, Acute Coronary Syndrome, et al.…

Signal Processing · Electrical Eng. & Systems 2020-07-08 Shenda Hong , Zhaoji Fu , Rongbo Zhou , Jie Yu , Yongkui Li , Kai Wang , Guanlin Cheng

In a landscape characterized by heightened connectivity and mobility, coupled with a surge in cardiovascular ailments, the imperative to curtail healthcare expenses through remote monitoring of cardiovascular health has become more…

Computer Vision and Pattern Recognition · Computer Science 2024-01-09 Guang Jun Nicholas Ang , Aritejh Kr Goil , Henryk Chan , Jieyi Jeric Lew , Xin Chun Lee , Raihan Bin Ahmad Mustaffa , Timotius Jason , Ze Ting Woon , Bingquan Shen

Cardiac pulsation is a physiological confound of functional magnetic resonance imaging (fMRI) time-series that introduces spurious signal fluctuations in proximity to blood vessels. fMRI alone is not sufficiently fast to resolve cardiac…

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