R. Gray

R. Gray, A. Iyer, 2002, Proceedings of the Second Joint 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society] [Engineering in Medicine and Biology.

Optical mapping of drug-induced torsades de pointes in the isolated rabbit heart

Y. Asano, W. Baxter, R. Gray, 1996 .

Shock‐Induced Epicardial and Endocardial Virtual Electrodes Leading to Ventricular Fibrillation via Reentry, Graded Responses, and Transmural Activation

R. Gray, F. G. Evans, 2004, Journal of cardiovascular electrophysiology.

Defibrillation mechanisms: the parable of the blind men and the elephant.

R. Ideker, R. Gray, T. N. Chattipakorn, 2000, Journal of cardiovascular electrophysiology.

Reentry formation during ventricular fibrillation

R. Gray, I. Banville, 2002, Proceedings of the Second Joint 24th Annual Conference and the Annual Fall Meeting of the Biomedical Engineering Society] [Engineering in Medicine and Biology.

Effects of unipolar stimulation on voltage and calcium distributions in the isolated rabbit heart

Richard A. Gray, Mark R. Holcomb, Veniamin Y. Sidorov, 2008, Basic Research in Cardiology.

Data-Driven Uncertainty Quantification for Cardiac Electrophysiological Models: Impact of Physiological Variability on Action Potential and Spiral Wave Dynamics

F. Fenton, P. Pathmanathan, R. Gray, 2020, Frontiers in Physiology.

Credibility assessment of patient-specific computational modeling using patient-specific cardiac modeling as an exemplar

P. Pathmanathan, R. Gray, S. Niederer, 2022, PLoS Comput. Biol..

TEMPORAL AND SPATIAL CORRESPONDENCE OF INTRAMURAL ROTORS AND EPICARDIAL BREAKTHROUGH PATTERNS DURING VENTRICULAR TACHYCARDIA AND FIBRILLATION IN THE SWINE HEART

R. Gray, J. Rogers, J. Kim, 2007 .

A high-resolution computational model of the deforming human heart

J. Fattebert, J. Magerlein, J. Rice, 2015, Biomechanics and Modeling in Mechanobiology.

Credibility Evidence for Computational Patient Models Used in the Development of Physiological Closed-Loop Controlled Devices for Critical Care Medicine

Pras Pathmanathan, Sandy Weininger, Christopher G. Scully, 2019, Front. Physiol..

Effect of Strength and Timing of Transmembrane Current Pulses on Isolated Ventricular Myocytes

N. Trayanova, R. Gray, F. Aguel, 2001, Journal of cardiovascular electrophysiology.

Wave-front curvature as a cause of slow conduction and block in isolated cardiac muscle.

J Jalife, W. Baxter, R. Gray, 1994, Circulation research.

Uncertainty quantification of fast sodium current steady-state inactivation for multi-scale models of cardiac electrophysiology.

Pras Pathmanathan, Richard A Gray, David J Gavaghan, 2015, Progress in biophysics and molecular biology.

Transmembrane current imaging in the heart during pacing and fibrillation.

B. Roth, J. Wikswo, P. Pathmanathan, 2013, Biophysical Journal.

Cardiovascular disease: Several small shocks beat one big one

Richard A Gray, John P Wikswo, J. Wikswo, 2011, Nature.

Origin choice and petal loss in the flower garden of spiral wave tip trajectories.

Richard A Gray, John P Wikswo, Niels F Otani, 2009, Chaos.

Excito-oscillatory dynamics as a mechanism of ventricular fibrillation.

R. Gray, D. Huelsing, 2008, Heart rhythm.

Voltage-calcium state-space dynamics during initiation of reentry.

Mark-Anthony Bray, Richard A Gray, John P Wikswo, 2006, Heart rhythm.

Termination of spiral waves during cardiac fibrillation via shock-induced phase resetting.

Richard A Gray, R. Gray, N. Chattipakorn, 2005, Proceedings of the National Academy of Sciences of the United States of America.

Restitution Dynamics During Pacing and Arrhythmias in Isolated Pig Hearts

Richard A Gray, R. Gray, N. Chattipakorn, 2004, Journal of cardiovascular electrophysiology.

Chapter 46 – Global Mechanisms Of Defibrillation

Richard A. Gray, R. Gray, 2004 .

Effects of shock strengths on ventricular defibrillation failure.

Richard A Gray, Raymond E Ideker, R. Ideker, 2004, Cardiovascular research.

Effect of Action Potential Duration and Conduction Velocity Restitution and Their Spatial Dispersion on Alternans and the Stability of Arrhythmias

Richard A Gray, R. Gray, I. Banville, 2002, Journal of cardiovascular electrophysiology.

Termination of spiral wave breakup in a Fitzhugh-Nagumo model via short and long duration stimuli.

Richard A. Gray, R. Gray, 2002, Chaos.

A mechanism of transition from ventricular fibrillation to tachycardia : effect of calcium channel blockade on the dynamics of rotating waves.

J Jalife, Y Watanabe, J. Beaumont, 2000, Circulation research.

Mathematical models of cardiac arrhythmias derived from experimental recordings

R. Gray, R.E. Ideker, 1999, Proceedings of the First Joint BMES/EMBS Conference. 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Annual Fall Meeting of the Biomedical Engineering Society (Cat. N.

Accurate localization of phase singularities during reentry

A. N. Iyer, R. E. Ideker, R. A. Gray, 1999, Proceedings of the First Joint BMES/EMBS Conference. 1999 IEEE Engineering in Medicine and Biology 21st Annual Conference and the 1999 Annual Fall Meeting of the Biomedical Engineering Society (Cat. N.

SPIRAL WAVES AND THE HEART

Richard A. Gray, José Jalife, R. Gray, 1996 .

Mechanisms of Cardiac Fibrillation

R. A. Gray, A. T. Winfree, P. Hogeweg, 1995, Science.

of Hippocampal Mossy Fiber LTP L-Type Calcium Channels Are Required for One Form

T. Tsumoto, M. Yeckel, Y. Yanagawa, 2015 .

Acute effects of nonexcitatory electrical stimulation during systole in isolated cardiac myocytes and perfused heart

R. Gray, V. Krauthamer, K. Blinova, 2014, Physiological reports.

Comprehensive Uncertainty Quantification and Sensitivity Analysis for Cardiac Action Potential Models

Pras Pathmanathan, Richard A. Gray, Jonathan M. Cordeiro, 2019, Front. Physiol..

Periodicity, chaos, and the effects of noise in a forced Hodgkin-Huxley system

Richard A. Gray, Jeffrey S. Brush, R. Gray, 1993, Optics & Photonics.

Measuring curvature and velocity vector fields for waves of cardiac excitation in 2-D media

Richard A. Gray, Matthew W. Kay, R. Gray, 2005, IEEE Transactions on Biomedical Engineering.

Verification of computational models of cardiac electro‐physiology

Pras Pathmanathan, Richard A Gray, P. Pathmanathan, 2014, International journal for numerical methods in biomedical engineering.

Ensuring reliability of safety-critical clinical applications of computational cardiac models

Pras Pathmanathan, Richard A. Gray, P. Pathmanathan, 2013, Front. Physiol..

Drifting vortices of electrical waves underlie ventricular fibrillation in the rabbit heart.

J Jalife, R. Gray, J. Jalife, 1996, Acta physiologica Scandinavica.

Steepness of the Restitution Curve: A Slippery Slope?

R. Ideker, R. Gray, J. Rogers, 2002, Journal of cardiovascular electrophysiology.

Validation and Trustworthiness of Multiscale Models of Cardiac Electrophysiology

Pras Pathmanathan, Richard A. Gray, P. Pathmanathan, 2018, Front. Physiol..

Virtual Electrodes and Deexcitation: New Insights into Fibrillation Induction and Defibrillation

I R Efimov, B. Roth, I. Efimov, 2000, Journal of cardiovascular electrophysiology.

Uncertainty and variability in computational and mathematical models of cardiac physiology

Gary R. Mirams, Richard H Clayton, Pras Pathmanathan, 2016, The Journal of physiology.

CyberCardia project: Modeling, verification and validation of implantable cardiac devices

Rance Cleaveland, Richard A. Gray, Radu Grosu, 2016, 2016 IEEE International Conference on Bioinformatics and Biomedicine (BIBM).

Estimability Analysis and Optimal Design in Dynamic Multi-scale Models of Cardiac Electrophysiology

R. Gray, M. Shotwell, 2016, Journal of Agricultural Biological and Environmental Statistics.

Estimating parameters of the Hodgkin-Huxley cardiac cell model by integrating raw data from multiple types of voltage-clamp experiments

R. Gray, M. Shotwell, 2016 .

A Novel Approach to Dual Excitation Ratiometric Optical Mapping of Cardiac Action Potentials With Di-4-ANEPPS Using Pulsed LED Excitation

Richard A. Gray, Jack M. Rogers, Andrew E. Pollard, 2011, IEEE Transactions on Biomedical Engineering.

Drug-induced post-repolarization refractoriness as an antiarrhythmic principle and its underlying mechanism.

Richard A Gray, R. Gray, M. Franz, 2014, Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology.

Design and execution of a verification, validation, and uncertainty quantification plan for a numerical model of left ventricular flow after LVAD implantation

C. Butakoff, K. May-Newman, P. Pathmanathan, 2021, bioRxiv.

Modelling the take-off voltage of the action potential during fast pacing

Richard A. Gray, Flavio H. Fenton, Diandian Diana Chen, 2014, Computing in Cardiology 2014.

Improving the Assessment of Heart Toxicity for All New Drugs Through Translational Regulatory Science

J Vicente, D. Strauss, N. Stockbridge, 2014, Clinical pharmacology and therapeutics.

Mechanism for Amplitude Alternans in Electrocardiograms and the Initiation of Spatiotemporal Chaos.

Flavio H Fenton, Ilija Uzelac, Richard A Gray, 2017, Physical review letters.

Applicability Analysis of Validation Evidence for Biomedical Computational Models

Pras Pathmanathan, Vicente J. Romero, Richard A. Gray, 2017 .

Effects of atrial defibrillation shocks on the ventricles in isolated sheep hearts.

J Jalife, R. Gray, J. Jalife, 1998, Circulation.

Effects of postshock atrial pacing on atrial defibrillation outcome in the isolated sheep heart.

A. Skanes, R. Gray, J. Jalife, 1998, Circulation.

Head-tail interactions in numerical simulations of reentry in a ring of cardiac tissue.

F. Fenton, R. Gray, Xiaozhong Chen, 2005, Heart rhythm.

What Exactly Are Optically Recorded “Action Potentials”?

R. Gray, R A Gray, 1999, Journal of cardiovascular electrophysiology.

Virtual Electrode‐Induced Positive and Negative Graded Responses:

Natalia A Trayanova, Richard A Gray, James C Eason, 2003, Journal of cardiovascular electrophysiology.

Video Imaging of Fibrillation and Defibrillation

Richard A. Gray, R. Gray, I. Banville, 2002 .

Effect of Shock‐Induced Changes in Transmembrane Potential on Reentrant Waves and Outcome During Cardioversion of Isolated Rabbit Hearts

Richard A Gray, Raymond E Ideker, R. Ideker, 2002, Journal of cardiovascular electrophysiology.

Interdependence of virtual electrode polarization and conduction velocity during premature stimulation.

Omer Berenfeld, Richard A Gray, Arkady M Pertsov, 2006, Journal of electrocardiology.

Curvature analysis of cardiac excitation wavefronts

Richard A. Gray, Ezio Bartocci, Radu Grosu, 2011, CMSB.

Characterization of the relationship between preshock state and virtual electrode polarization-induced propagated graded responses resulting in arrhythmia induction.

Natalia A Trayanova, Richard A Gray, N. Trayanova, 2006, Heart rhythm.

Standing excitation waves in the heart induced by strong alternating electric fields.

J Jalife, R. Gray, J. Jalife, 2001, Physical review letters.

A Novel Approach to Dual Excitation Ratiometric Optical Mapping of Cardiac Action Potentials With Di-4-ANEPPS Using Pulsed LED Excitation

Andrew D. Bachtel, Elliot B. Bourgeois, R. Gray, 2011, IEEE Transactions on Biomedical Engineering.