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Arrhythmia is a cardiovascular disease that manifests irregular heartbeats. In arrhythmia detection, the electrocardiogram (ECG) signal is an important diagnostic technique. However, manually evaluating ECG signals is a complicated and…

Signal Processing · Electrical Eng. & Systems 2021-05-04 Jindi Lv , Qing Ye , Yanan Sun , Juan Zhao , Jiancheng Lv

We propose a hierarchical Transformer for ECG analysis that combines depth-wise convolutions, multi-scale feature aggregation via a CLS token, and an attention-gated module to learn inter-lead relationships and enhance interpretability. The…

Machine Learning · Computer Science 2025-06-17 Xiaoya Tang , Jake Berquist , Benjamin A. Steinberg , Tolga Tasdizen

Laboratory value represents a cornerstone of medical diagnostics, but suffers from slow turnaround times, and high costs and only provides information about a single point in time. The continuous estimation of laboratory values from…

Signal Processing · Electrical Eng. & Systems 2025-11-21 Juan Miguel Lopez Alcaraz , Nils Strodthoff

Biomarkers of Major Depressive Disorder(MDD), its phases and forms have long been sought. Research indicates that the complexity measures of the cortical electrical activity (EEG) might be candidates for this role. To examine whether the…

Neurons and Cognition · Quantitative Biology 2019-12-19 Čukić Milena , Stokić Miodrag , Radenković Slavoljub , Ljubisavljević Miloš , Simić Slobodan , Danka Savić

Electrocardiograms (ECGs) are among the most widely used diagnostic tools for cardiovascular diseases, and a large amount of ECG data worldwide appears only in image form. However, most existing automated ECG analysis methods rely on access…

Machine Learning · Computer Science 2026-04-03 Hung Manh Pham , Jialu Tang , Aaqib Saeed , Dong Ma , Bin Zhu , Pan Zhou

The classification of electrocardiographic (ECG) signals is a challenging problem for healthcare industry. Traditional supervised learning methods require a large number of labeled data which is usually expensive and difficult to obtain for…

Signal Processing · Electrical Eng. & Systems 2018-11-28 Xu Chen , Saratendu Sethi

An electrocardiogram (ECG) is a widely used, cost-effective tool for detecting electrical abnormalities in the heart. However, it cannot directly measure functional parameters, such as ventricular volumes and ejection fraction, which are…

Image and Video Processing · Electrical Eng. & Systems 2025-06-27 Alexander Selivanov , Philip Müller , Özgün Turgut , Nil Stolt-Ansó , Daniel Rückert

Alzheimers disease (AD) is a progressive disorder that affects cognitive brain functions and starts many years before its clinical manifestations. A biomarker that provides a quantitative measure of changes in the brain due to AD in the…

Neurons and Cognition · Quantitative Biology 2022-05-19 Ali H. Al-Nuaimi , Emmanuel Jammeh , Lingfen Sun , Emmanuel Ifeachor

Clinical electroencephalography is routinely used to evaluate patients with diverse and often overlapping neurological conditions, yet interpretation remains manual, time-intensive, and variable across experts. While automated EEG analysis…

Human-Computer Interaction · Computer Science 2025-12-30 Argha Kamal Samanta , Deepak Mewada , Monalisa Sarma , Debasis Samanta

Deep learning models for atrial fibrillation (AF) detection are increasingly trained on heterogeneous electrocardiogram (ECG) datasets with varying sampling frequencies, yet the specific consequences of these discrepancies on model…

An electrocardiogram (ECG) monitors the electrical activity generated by the heart and is used to detect fatal cardiovascular diseases (CVDs). Conventionally, to capture the precise electrical activity, clinical experts use multiple-lead…

Medical Physics · Physics 2023-07-24 Ekansh Chauhan , Swathi Guptha , Likith Reddy , Bapi Raju

In the process of patient diagnosis, non-invasive measurements are widely used due to their low risks and quick results. Electrocardiogram (ECG), as a non-invasive method to collect heart activities, is used to diagnose cardiac conditions.…

Machine Learning · Computer Science 2025-12-11 Yuhao Xu , Jiaying Lu , Sirui Ding , Defu Cao , Xiao Hu , Carl Yang

Diagnosing pre-existing heart diseases early in life is important as it helps prevent complications such as pulmonary hypertension, heart rhythm problems, blood clots, heart failure and sudden cardiac arrest. To identify such diseases,…

The Electrocardiograph signal represents the heart's electrical activity while blood pressure results from the heart's mechanical activity. Previous studies have investigated how the heart's electrical and mechanical activities are related…

Signal Processing · Electrical Eng. & Systems 2020-08-25 Seyedeh Somayyeh Mousavi , Mostafa Charmi , Mohammad Firouzmand , Mohammad Hemmati , Maryam Moghadam , Yadollah Ghorbani

In this paper, we present a powerful, compact electrocardiogram (ECG) classification algorithm for cardiac arrhythmia diagnosis that addresses the current reliance on deep learning and convolutional neural networks (CNNs) in ECG analysis.…

Congenital heart disease (CHD) is a relatively rare disease that affects patients at birth and results in extremely heterogeneous anatomical and functional defects. 12-lead ECG signal is routinely collected in CHD patients because it…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Muhammet Alkan , Gruschen Veldtman , Fani Deligianni

Over the course of the past two decades, a substantial body of research has substantiated the viability of utilising cardiac signals as a biometric modality. This paper presents a novel approach for patient identification in healthcare…

Machine Learning · Computer Science 2024-11-27 Caterina Fuster-Barceló , Carmen Cámara , Pedro Peris-López

Electrocardiogram (ECG) is the most crucial monitoring modality to diagnose cardiovascular events. Precise and automatic detection of abnormal ECG patterns is beneficial to both physicians and patients. In the automatic detection of…

Signal Processing · Electrical Eng. & Systems 2020-09-10 Naoki Nonaka , Jun Seita

The classification of electrocardiogram (ECG) signals is crucial for early detection of arrhythmias and other cardiac conditions. However, despite advances in machine learning, many studies fail to follow standardization protocols, leading…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Guilherme Silva , Pedro Silva , Gladston Moreira , Vander Freitas , Jadson Gertrudes , Eduardo Luz

Arrhythmogenic right ventricular cardiomyopathy (ARVC) is an inherited heart muscle disease that appears between the second and forth decade of a patient's life, being responsible for 20% of sudden cardiac deaths before the age of 35. The…

Signal Processing · Electrical Eng. & Systems 2022-09-07 Vasileios E. Papageorgiou , Thomas Zegkos , Georgios Efthimiadis , George Tsaklidis