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Adaptive step ODE algorithms for the 3D simulation of electric heart activity with graphics processing units

V.M. Garcia-Molla, A. Liberos, A. Vidal, M.S. Guillem, J. Millet, A. Gonzalez, F.J. Martinez-Zaldivar, A.M. Climent
2014 Computers in Biology and Medicine  
In this paper we studied the implementation and performance of adaptive step methods for large systems of ordinary differential equations systems in Graphics Processing Units, focusing on the simulation  ...  of thre-dimensional electric cardiac activity.  ...  In the last few years, Graphics Processing Units (GPU) have been used as computing platforms to carry out these simulations.  ... 
doi:10.1016/j.compbiomed.2013.10.023 pmid:24377685 fatcat:jhkf74ftzzddxdkq5oe3b4qpwe

Selective Update

1984 IEEE Computer Graphics and Applications  
According to Hasan Garan, one of the physicians involved in the research at Massachusetts General, "The heart is a hotbed of electrical activity, the focal point of electrical impulses sent from the brain  ...  A free description and detailed APPLICATION BRIEFS Computer helps researchers draw "road map" of the heart In an effort to understand the abnormal electrical activity that may underlie some heart disease  ... 
doi:10.1109/mcg.1984.276119 fatcat:mhdmybcrife5vixflcvhm6xpe4

Numerical simulation of mathematical heart model in COMSOL

Iffat Ara
2020 International Journal of Engineering & Technology  
The heart was embedded in a human torso, incorporating spontaneous activation with heterogeneous action potential (AP) morphologies throughout the heart.  ...  The FitzHugh-Nagumo (FHN) equations were incorporated into Bidomain model of cardiac electrical activity, which was comprised of a simplified geometry of the whole heart with the torso as an extracellular  ...  c2 are parameters describing the active electrical activity of the heart [9] .  ... 
doi:10.14419/ijet.v9i1.30052 fatcat:hc7kbnhegvhjtkkk3tgljepgm4

GPU Accelerated Simulation of Cardiac Activities

Rongdong Yu, Yin Zhang, Sanyuan Zhang, Patricia Chiang, Yiyu Cai, Jianmin Zheng, Koon-Hou Mak
2010 Journal of Computers  
In this paper, a real-time approach to cardiac modeling is proposed based on the Graphics Processing Unit (GPU).  ...  A hardware platform is first designed and tested with a simplified model to represent the cardiac activities. Motion of mesh-based heart is then approximated to simulate the movement of each vertex.  ...  ACKNOWLEDGMENT The authors wish to thank Mr Chen Wenyu and Ms C Indhumathi for their helping in the advices to the implementation of the algorithm.  ... 
doi:10.4304/jcp.5.11.1700-1705 fatcat:svhrydys65dffeyky2ghmqhifa

The Human Heart Electrophysiological Data Visualization: A Review

Lei Zhang
2019 Archives of Clinical Case Studies  
So, visualize the electrophysiological data is of great importance. In this paper, we review the progress for the development of the visualization method of the human heart electrophysiological data.  ...  the underlying mechanism of cardiac activity.  ...  Thanks to the development of Graphics processing unit (GPU), Zhang et al. investigated image processing, optimization techniques for 4D (3D + time) cardiac image rendering [6] .  ... 
doi:10.33552/accs.2019.01.000510 fatcat:patnabubrrbuzlvvwjgsqofchy

Computer-Based Vectorcardiograph for Research Purposes

M. Vozda, B. Hrvolova, J. Krohova, M. Smondrk, M. Penhaker
2013 Elektronika ir Elektrotechnika  
We have designed the hardware as a small portable device and the software that measures data saved in a raw form accessible for further processing.  ...   Abstract-The vectorcardiography (VCG) represents the cardiac electric field by vectors and provides a better morphological interpretation of the cardiac electrical field.  ...  The main objective of the proposed software is to capture the data of electrical heart activity and save them in a database.  ... 
doi:10.5755/j01.eee.19.9.5650 fatcat:s5olfi6ugvhl3de6fg7lph64se

Viewing 0.3Tb Heart Simulation Data At Your Desk [article]

I. J. Grimstead, S. Kharche, H. Zhang, N. J. Avis, D. W. Walker
2007 Computer Graphics and Visual Computing  
Such modelling takes considerable compute power, producing large datasets; for instance, an 18 million data point model produces 0.3Tb when simulating 3 seconds of heart activity.  ...  What is needed is a means of reducing the data to a more manageable size, where it can be displayed in real-time at the heart modeller's desk for interactive exploration and evaluation.  ...  The work presented here was supported by funding from the British Heart Foundation (PG/06/140), and from VizNET (funded by JISC).  ... 
doi:10.2312/localchapterevents/tpcg/tpcg07/157-163 dblp:conf/tpcg/GrimsteadKZAW07 fatcat:zc5eonob4jbwxoje4stpkx57ja

Interactive training system for interventional electrocardiology procedures

Hugo Talbot, Federico Spadoni, Christian Duriez, Maxime Sermesant, Mark O'Neill, Pierre Jaïs, Stéphane Cotin, Hervé Delingette
2017 Medical Image Analysis  
Our framework involves the simulation of a catheter navigation that reproduces issues intrinsic to intra-cardiac catheterization, and a graphics processing unit (GPU)-based electrophysiological model.  ...  Recent progress in cardiac catheterization and devices has allowed the development of new therapies for severe cardiac diseases like arrhythmias and heart failure.  ...  Thomas' NHS, London and Darren Hooks working in the Liryc team of Centre Hospitalier Universitaire, Bordeaux.  ... 
doi:10.1016/j.media.2016.06.040 pmid:27471100 fatcat:x5q5ogfjzjeb7jvn7iyqei5yk4

Computational multiscale modeling in the IUPS Physiome Project: Modeling cardiac electromechanics

D. Nickerson, M. Nash, P. Nielsen, N. Smith, P. Hunter
2006 IBM Journal of Research and Development  
We present a computational modeling and numerical simulation framework that enables the integration of multiple physics and spatiotemporal scales in models of physiological systems.  ...  One novel aspect is the use of CellML, an annotated mathematical representation language, to specify model-and simulation-specific equations.  ...  Acknowledgments This work was supported by the Wellcome Trust, the Royal Society of New Zealand (Centre for Molecular Biodiscovery), and the Marsden Fund.  ... 
doi:10.1147/rd.506.0617 fatcat:ryb2tbsnovcvvc7gaej4vipeee

Fully-Coupled Electromechanical Simulations of the LV Dog Anatomy Using HPC: Model Testing and Verification [chapter]

Jazmin Aguado-Sierra, Alfonso Santiago, Matias I. Rivero, Mariña López-Yunta, David Soto-Iglesias, Lydia Dux-Santoy, Oscar Camara, Mariano Vazquez
2015 Lecture Notes in Computer Science  
Our results show that synchronisation of the electrical and mechanical events in the heart beat are necessary to create a physiological timing of hemodynamic events.  ...  Synchronous activation of all of the myocardium provides an unrealistic timing of hemodynamic events in the cardiac cycle.  ...  In addition, continuous improvements in hardware and infrastructure computing facilities, specially in High-Performance Computing (HPC) and Graphical Processing Units (GPU) are dramatically reducing computational  ... 
doi:10.1007/978-3-319-14678-2_12 fatcat:27ihn6xtz5gqjaw7a46tgwrumu

A Grid Computing-Based Approach for the Acceleration of Simulations in Cardiology

J.M. Alonso, J.M. Ferrero, V. Hernandez, G. Molto, J. Saiz, B. Trenor
2008 IEEE Transactions on Information Technology in Biomedicine  
evaluating the effects of new antiarrhythmic drugs on the electrical activity of the heart.  ...  In order to assess the benefits of the Grid, a cardiac case study, that analyses the effects of premature stimulation on reentry generation during myocardial ischemia, has been carried out.  ...  The remainder of the paper is structured as follows: First, section II briefly describes the simulator of the electrical activity of the heart.  ... 
doi:10.1109/titb.2007.907982 pmid:18348943 fatcat:kzi5jig4krdyhj2mtnx7pe2l4u

Microcontroller Based Wireless Transmission on Biomedical Signal and Simulation in MATLAB

Nisha singh
2012 IOSR Journal of Engineering  
In this work we also simulate the ECG waveform using MATLAB. The task of electrocardiogram (ECG) processing is based on R-peaks detection.  ...  use where we can monitor the biomedical signal like ECG, Blood pressure, Heart beats of all patients in centralized manner and we can record the ECG signals and Heart beats of all patients in a single  ...  This system describes a low-cost, portable system with wireless transmission capabilities for the acquisition, processing, storing and visualization in real time of the electrical activity of the heart  ... 
doi:10.9790/3021-021240814 fatcat:qllwgrtiurh63jjrjf4aen2hk4

Near-real-time simulations of biolelectric activity in small mammalian hearts using graphical processing units

E.J. Vigmond, P.M. Boyle, L.J. Leon, G. Plank
2009 2009 Annual International Conference of the IEEE Engineering in Medicine and Biology Society  
This study explores a new hardware computing paradigm, the graphics processing unit (GPU), to accelerate cardiac models, and analyzes results in the context of simulating a small mammalian heart in real  ...  The ODEs associated with membrane ionic flow were computed on traditional CPU and compared to GPU performance, for one to four parallel processing units.  ...  Acknowledgments This research is supported by a grant of the Austrian Science Fund grant (SFB F3210-N18) to GP, a grant from the Natural Sciences and Engineering Research Council of Canada to JL, a grant  ... 
doi:10.1109/iembs.2009.5333738 pmid:19964295 pmcid:PMC3977140 fatcat:fwsexyqr7jez7f4x6kdyahjamu

Real-time interactive volumetric animation of the heart's electrical cycle from automatically synchronized ECG

John Ryan, Carol O'Sullivan, Christopher Bell
2004 Computer Animation and Virtual Worlds  
Whilst other projects in similar fields use super-computers or vastly complex cellular structures, one of the aims of this project is to simplify the process for real-time optimization.  ...  with the inputted ECG.  ...  Acknowledgements This project is funded by Enterprise Ireland under the Basic Research Grant scheme. We gratefully acknowledge the assistance of Dr. Peter Crean.  ... 
doi:10.1002/cav.39 fatcat:zvqzyla3bvd2volieez5cgpc5y

Accelerating sino-atrium computer simulations with graphic processing units

Hong Zhang, Zheng Xiao, Shien-fong Lin, Feng Liu, Dong-Hoon Lee, Ricardo Lagoa, Sandeep Kumar
2015 Bio-medical materials and engineering  
In this paper, an accelerating approach with Graphic Processing Units (GPUs) is proposed in a simulation consisting of the SAN tissue and the adjoining atrium.  ...  However, the large-scale computation usually makes research difficult, given the limited computational power of Central Processing Units (CPUs).  ...  Acknowledgments This work is supported by the National Natural Science Foundation of China (Nos. 81271661, 30870659), the Health Foundation of Shaanxi province in China (08D23), the Scientific Research  ... 
doi:10.3233/bme-151365 pmid:26406070 fatcat:5sa6fkso7reiflii5stie5wi4m
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