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Atrial fibrillation is increasingly prevalent, especially in the elderly, and challenging to detect due paroxysmal nature. Here, we propose novel computational methods based on heart beat intervals to facilitate rapid and robust…

Computers and Society · Computer Science 2017-11-30 Tamas Madl , David Madl

In this article, we propose a novel ECG classification framework for atrial fibrillation (AF) detection using spectro-temporal representation (i.e., time varying spectrum) and deep convolutional networks. In the first step we use a Bayesian…

Signal Processing · Electrical Eng. & Systems 2018-12-14 Zheng Zhao , Simo Särkkä , Ali Bahrami Rad

Atrial fibrillation (AF) is a prevalent cardiac arrhythmia associated with elevated health risks, where timely detection is pivotal for mitigating stroke-related morbidity. This study introduces an innovative hybrid methodology integrating…

Machine Learning · Computer Science 2025-10-08 Alireza Jafari , Fereshteh Yousefirizi , Vahid Seydi

Catheter ablation of Atrial Fibrillation (AF) consists of a one-size-fits-all treatment with limited success in persistent AF. This may be due to our inability to map the dynamics of AF with the limited resolution and coverage provided by…

Atrial Fibrillation is a heart condition characterized by erratic heart rhythms caused by chaotic propagation of electrical impulses in the atria, leading to numerous health complications. State-of-the-art models employ complex algorithms…

Quantitative Methods · Quantitative Biology 2019-12-02 Paul Samuel Ignacio , David Uminsky , Christopher Dunstan , Esteban Escobar , Luke Trujillo

We consider the use of a running measure of power spectrum disorder to distinguish between the normal sinus rhythm of the heart and two forms of cardiac arrhythmia: atrial fibrillation and atrial flutter. This spectral entropy measure is…

Quantitative Methods · Quantitative Biology 2009-02-16 Phillip P. A. Staniczenko , Chiu Fan Lee , Nick S. Jones

Electrocardiogram (ECG) signal is a common and powerful tool to study heart function and diagnose several abnormal arrhythmias. While there have been remarkable improvements in cardiac arrhythmia classification methods, they still cannot…

Quantitative Methods · Quantitative Biology 2019-03-14 Sajad Mousavi , Fatemeh Afghah , U. Rajendra Acharya

Atrial fibrillation (AF) is the most common arrhythmia affecting millions of people in the Western countries and, due to the widespread impact on the population and its medical relevance, is largely investigated in both clinical and…

Medical Physics · Physics 2014-09-12 Stefania Scarsoglio , Andrea Guala , Carlo Camporeale , Luca Ridolfi

Computational models of atrial fibrillation have successfully been used to predict optimal ablation sites. A critical step to assess the effect of an ablation pattern is to pace the model from different, potentially random, locations to…

Machine Learning · Computer Science 2021-12-17 Lia Gander , Simone Pezzuto , Ali Gharaviri , Rolf Krause , Paris Perdikaris , Francisco Sahli Costabal

Objective: We propose a non-contact approach for atrial fibrillation (AF) detection from face videos. Methods: Face videos, electrocardiography (ECG), and contact photoplethysmography (PPG) from 100 healthy subjects and 100 AF patients are…

Image and Video Processing · Electrical Eng. & Systems 2022-08-10 Zhaodong Sun , Juhani Junttila , Mikko Tulppo , Tapio Seppänen , Xiaobai Li

The development of new technology such as wearables that record high-quality single channel ECG, provides an opportunity for ECG screening in a larger population, especially for atrial fibrillation screening. The main goal of this study is…

Signal Processing · Electrical Eng. & Systems 2017-10-17 Jonathan Rubin , Saman Parvaneh , Asif Rahman , Bryan Conroy , Saeed Babaeizadeh

Atrial fibrillation (AF) is the most common cardiac arrhytmia, characterised by the chaotic motion of electrical wavefronts in the atria. In clinical practice, AF is classified under two primary categories: paroxysmal AF, short intermittent…

Tissues and Organs · Quantitative Biology 2020-07-01 Alberto Ciacci , Max Falkenberg , Kishan A. Manani , Tim S. Evans , Nicholas S. Peters , Kim Christensen

Atrial fibrillation (AF) is a prevalent cardiac arrhythmia often treated concomitantly with other cardiac interventions through the Cox Maze procedure. This highly invasive intervention is still linked to a long-term recurrence rate of…

Signal Processing · Electrical Eng. & Systems 2024-01-18 P. Escribano , J. Ródenas , M. García , F. Hornero , J. M. Gracia-Baena , R. Alcaraz , J. J. Rieta

While most heart arrhythmias are not immediately harmful, they can lead to severe complications. In particular, atrial fibrillation, the most common arrhythmia, is characterized by fast and irregular heart beats and increases the risk of…

Signal Processing · Electrical Eng. & Systems 2020-07-07 Jérôme Van Zaen , Olivier Chételat , Mathieu Lemay , Enric M. Calvo , Ricard Delgado-Gonzalo

Clinical decision support systems (CDSSs) have been widely utilized to support the decisions made by cardiologists when detecting and classifying arrhythmia from electrocardiograms. However, forming a CDSS for the arrhythmia classification…

Machine Learning · Computer Science 2025-11-20 Yun Kwan Kim

Atrial fibrillation (AF) is a common cardiac arrhythmia characterized by rapid and irregular contractions of the atria. It significantly elevates the risk of strokes due to slowed blood flow in the atria, especially in the left atrial…

Machine Learning · Computer Science 2024-01-19 Tian Xie

Clinical decision support systems (CDSSs) have been widely utilized to support the decisions made by cardiologists when detecting and classifying arrhythmia from electrocardiograms (ECGs). However, forming a CDSS for the arrhythmia…

Signal Processing · Electrical Eng. & Systems 2023-10-16 Yun Kwan Kim , Minji Lee , Kunwook Jo , Hee Seok Song , Seong-Whan Lee

Wearable devices enable theoretically continuous, longitudinal monitoring of physiological measurements like step count, energy expenditure, and heart rate. Although the classification of abnormal cardiac rhythms such as atrial fibrillation…

Signal Processing · Electrical Eng. & Systems 2020-01-28 Jessica Torres Soto , Euan Ashley

The automatic detection of atrial fibrillation based on electrocardiograph (ECG) signals has received wide attention both clinically and practically. It is challenging to process ECG signals with cyclical pattern, varying length and…

Machine Learning · Computer Science 2023-02-10 Yifan Sun , Jingyan Shen , Yunfan Jiang , Zhaohui Huang , Minsheng Hao , Xuegong Zhang

Atrial fibrillation (AF) is the most common form of arrhythmia with accelerated and irregular heart rate (HR), leading to both heart failure and stroke and being responsible for an increase in cardiovascular morbidity and mortality. In…

Fluid Dynamics · Physics 2018-06-26 Stefania Scarsoglio , Caterina Gallo , Luca Ridolfi