W. Krassowska -- Publications

Wanda Krassowska, Ph.D.

Publications

W. Krassowska, J. C. Neu, Theory of electroporation, In: Quantitative Cardiac Electrophysiology, I. Efimov, M. Kroll, P. Tchou, Eds., Springer, in press.
H.M. Dobrovolny, C.M. Berger, W. Krassowska, D.J. Gauthier, Predicting the propensity to alternans from spatial differences in the restitution portrait, Am. J. Physiol., submitted.
X. Zhao, D. G. Schaeffer, C. M. Berger, W. Krassowska, D. J. Gauthier, Cardiac alternans arising from an unfolded border-collision bifurcation Proceedings of IDETC/CIE 2007, 2007 ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference, Las Vegas, Nevada, USA, September 4-7, 2007, accepted.
X. Zhao, D. G. Schaeffer, W. Krassowska, D. J. Gauthier, A model-independent technique for eigenvalue identification and its application in predicting cardiac alternans, Proceedings of IMECE 2007, 2007 ASME International Mechanical Engineering Congress and Exposition Seattle, Washington, USA, November 11-14, 2007, accepted.
J.A. Bell, S.F. Idriss, Short-term repolarization memory correlates with arrhythmia in infant rabbit myocardium, Heart Rhythm, 5: S349, 2008.
A. M. Pitruzzello, S. Dai, D. G. Schaeffer, S. F. Idriss, W. Krassowska, Low-frequency oscillation of action potential duration precedes transition to alternans, Heart Rhythm, 5: S52, 2008.
J.A. Bell, N.C. Rouze, W. Krassowska, S.F. Idriss, The ECG restitution portrait: Quantifying dynamical electrical instability in young myocardium, Computers in Cardiology, 34: 789-792, 2007.
C. M. Berger, X. Zhao, D. G. Schaeffer, H. Dobrovolny, W. Krassowska, D. J. Gauthier, Period-doubling bifurcation to alternans in paced cardiac tissue: Crossover from smooth to border-collision characteristics, Phys. Rev. Lett., 99(058101): 1-4, 2007.
W. Krassowska and P. D. Filev, Modeling electroporation in a single cell, Biophys. J., 404-417, 2007.
A. M. Pitruzzello, S. F. Idriss, W. Krassowska, Spatial heterogeneity of the restitution portrait in rabbit epicardium, Am. J. Physiol., H1568-H1578, 2007.
D. G. Schaeffer, J. W. Cain, D. J. Gauthier, S. S. Kalb, W. Krassowska, R. A. Oliver, Ei. G. Tolkacheva, An ionically based mapping model with memory for cardiac restitution, Bull. Math. Biol., 69: 459-482, 2007.
C. M. Berger, X. Zhao, D. G. Schaeffer, H. Dobrovolny, W. Krassowska, D. J. Gauthier, Evidence for an unfolded border-collision bifurcation in paced cardiac tissue, Dynamics Days '07, 27th Annual International Conference on Chaos and Nonlinear Dynamics, Boston, MA, 2007.
S. S. Kalb, J. J. Fox, E. Tolkacheva, D. J. Gauthier, W. Krassowska, Parameter estimation in cardiac mapping models, Phys. Rev. E, submitted.
W. Krassowska, S. S. Kalb, D. J. Gauthier, D. G. Schaeffer, The restitution portrait: A tool for developing models of heart rhythm dynamics, Dynamics Days '07, 27th Annual International Conference on Chaos and Nonlinear Dynamics, Boston, MA, 2007.
J. C. Neu, W. Krassowska, Singular perturbation analysis of the pore creation transient, Phys. Rev. E, 74 (031917): 1-9, 2006.
C. M. Berger, H. Dobrovolny, X. Zhao, D. G. Schaeffer, W. Krassowska, D. J. Gauthier, Investigating a period-doubling bifurcation in cardiac tissue under alternate pacing, Dynamics Days '06, 25th Annual International Conference on Chaos and Nonlinear Dynamics, Bethesda, MD, 2006.
J. Cranford, W. Krassowska, Effects of ionic concentrations on density and size of pores created by electric pulses, Proceedings of the 2006 Annual Fall Meeting of the BMES, p. 418, 2006.
W. Krassowska, P. D. Filev, Electroporation in a single cell: Insight from the model, Proceedings of the 2006 Annual Fall Meeting of the BMES, p. 420, 2006.
J. C. Neu, W. Krassowska, Computationally efficient method of simulating creation of electropores, Bull. Am. Phys. Soc., 51: 247-248, 2006.
A. M. Pitruzzello, S. F. Idriss, D. G. Gauthier, W. Krassowska, The restitution portrait reveals hidden heterogenetity in cardiac rhythm dynamics, Dynamics Days '06, 25th Annual International Conference on Chaos and Nonlinear Dynamics, Bethesda, MD, 2006.
X. Zhao, D. G. Schaeffer, C. M. Berger, D. J. Gauthier, W. Krassowska, Theoretical analysis of smooth and nonsmooth period-doubling bifurcations in cardiac tissue, Dynamics Days '06, 25th Annual International Conference on Chaos and Nonlinear Dynamics, Bethesda, MD, 2006.
X. Zhao, D. G. Schaeffer, C. M. Berger, D. J. Gauthier, W. Krassowska, Differentiation between smooth and nonsmooth period-doubling bifurcations in cardiac tissue, 6th Symposium on Understanding Complex Systems, Urbana, Illinois, May 15-18, 2006
X. Zhao, D.G. Schaeffer, C.M. Berger, D.J. Gauthier, W. Krassowska, Border-collision bifurcations in a model of cardiac tissue, Eleventh Conference on Nonlinear Vibrations, Stability, and Dynamics of Structures, Blacksburg, VA, August 13-18, 2006.
C. M. Berger, H. Dobrovolny, D. G. Schaeffer, W. Krassowska, D. J. Gauthier, Evidence for a border-collision bifurcation in paced cardiac tissue, SESAPS, Gainesville, FL, Nov. 10-12, 2005.
N. Brown, D. J. Gauthier, P. D. Wolf, W. Krassowska, Design of a fiber-optic ratiometric system for recording cardiac action potentials, Scientific Sessions of the American Heart Assciation, Dallas, TX, Nov 13-16, 2005.
A. M. Pitruzzello, W. Krassowska, A. J. Lam S. F. Idriss, A multichannel fiber-optic mapping system for intramural recording cardiac action potentials, IFBME Proceedings, 11: 1973, 2005.
R. A. Oliver and W. Krassowska, Reproducing cardiac restitution properties using the Fenton-Karma membrane model, Ann. Biomed. Eng., 33: 907-911, 2005.
R. A. Oliver, C. S. Henriquez, W. Krassowska, Bistability and correlation with arrhythmogenesis in a model of the human right atrium, Ann. Biomed. Eng., 33: 577-589, 2005.
H. Dobrovolny, C. Berger, S. Kalb, S. Idriss, D. Schaeffer, W. Krassowska, D. Gauthier, Spatial heterogeneity of the restitution portrait correlates with alternans in paced cardiac tissue, Heart Rhythm, 2: S297, 2005.
A. M. Pitruzzello, S. S. Kalb, D. J. Gauthier, W. Krassowska, S. F. Idriss, The restitution portrait in rabbit epicardium reveals spatial heterogeneity in short-term memory, Heart Rhythm, 2: S299, 2005.
S. S. Kalb, E. Tolkacheva, D. G. Schaeffer, D. J. Gauthier, W. Krassowska, Restitution in mapping models with an arbitrary amount of memory Chaos, 15: (023701) 1-11, 2005.
C. M. Berger, H. Dobrovolny, S. S. Kalb, S. F. Idriss, D. G. Schaeffer, D. J. Gauthier, W. Krassowska, Investigating a period-doubling bifurcation in cardiac tissue using alternate pacing Bull. Am. Phys. Soc., 50, L21.0002, 2005.
Elena G. Tolkacheva, Soma S. Kalb, Hana Dobrovolny, Salim F. Idriss, Daniel J. Gauthier, and Wanda Krassowska, Restitution portrait as a new technique for investigating restitution properties of periodically-paced cardiac tissue, SIAM Conference on the Life Sciences, July 11-14, 2004, Portland, OR.
H. Dobrovolny, S. Kalb, R. Oliver, E. Tolkacheva, W. Krassowska, and D. Gauthier, Conduction velocity dispersion in cardiac tissue, The 2004 CAP (Canadian Association of Physicists) Congress Winnipeg, Manitoba June 13-16, 2004.
H. Dobrovolny, R. Oliver, S. Sau, E. Tolkacheva, D. Schaeffer, W. Krassowska, and D. Gauthier, Action potential and conduction velocity restitution in cardiac tissue, Bull. Am. Phys. Soc., 49, 2004.
S. S. Kalb, E. Tolkacheva, R. A. Oliver, D. G. Schaeffer, W. Krassowska, Investigation of a cardiac mapping model using the restitution portrait, Proceedings of the 2004 BMES Annual Fall Meeting, 7, 2004.
R. A. Oliver, A. W. Wood, S. S. Kalb, W. Krassowska, Restitution portrait in Luo-Rudy-dynamic cardiac membrane model, Proceedings of the 2004 BMES Annual Fall Meeting, 16, 2004.
S. S. Kalb, H. Dobrovolny, E. Tolkacheva, S. F. Idriss, W. Krassowska, and D. J. Gauthier, The restitution portrait: A new method for investigating rate-dependent restitution, J. Cardiovasc. Electrophysiol., 15: 698-709, 2004.
K. C. Smith, J. C. Neu, and W. Krassowska, Model of creation and evolution of stable macropores for DNA delivery Biophys. J., 86: 2813-2826, 2004.
S. B. Dev, D. Dhar, and W. Krassowska, Electric field of a six-needle array electrode used in drug and DNA delivery in vivo: Analytical versus numerical solution, IEEE Trans. Biomed. Eng., 50: 1296-1300, 2003.
John C. Neu, Kyle C. Smith, and Wanda Krassowska, Electrical energy required to form large conducting pores, Bioelectrochem., 60: 107-114, 2003.
H. Dobrovolny, S. Sau, E. Tolkacheva, D. Schaeffer, W. Krassowska, and D. Gauthier New experimental protocol for simultaneous measurement of the S1-S2, constant-BCL and dynamic restitution curves, PACE, 26: 1087, 2003.
E. G. Tolkacheva, D. G. Schaeffer, D. J. Gauthier, W. Krassowska, A new criterion for stability of the 1:1 response pattern in a memory model paced cardiac tissue, Annual APS March Meeting, Austin, TX, 246, 2003
E. G. Tolkacheva, D. G. Schaeffer, D. J. Gauthier, and W. Krassowska, Condition for alternans and stability of the 1:1 response pattern in a `memory' model of paced cardiac dynamics, Phys. Rev. E, 67(031904): 1-10, 2003.
J. C. Neu and W. Krassowska, Modeling postshock evolution of large electropores, Phys. Rev. E, 67 (021915): 1-12, 2003.
W. Krassowska, G. S. Nanda, M. B. Austin, S. B. Dev, and D. P. Rabussay, Viability of cancer cells exposed to pulsed electric fields: The role of pulse charge, Ann. Biomed. Eng., 31: 80-90, 2003.
W. Krassowska, Field stimulation of cardiac fibers with random spatial structure, IEEE Trans. Biomed. Eng., 50: 33-40, 2003.
W. Krassowska, B. A. Stone, and J. C. Neu, Electrical stimulation of cardiac cells. In "Quantitative Cardiac Electrophysiology", C. Cabo and D. S. Rosenbaum, Eds., Marcel Dekker, Inc., New York, NY, pp. 139-197, 2002.
K. Skouibine, J. Wall, W. Krassowska, and N. A. Trayanova, Modeling induction of a rotor in cardiac muscle by perpendicular electric shocks Med. Biol. Eng. Comput., 40: 47-55, 2002.
S. Sau, W. Krassowska, and D. Gauthier, Restitution properties and stability of response patterns in cardiac muscle, Annual APS March Meeting 2002, Indianapolis, IN, p. 948, 2002.
R. A. Oliver and W. Krassowska, Concentration drift and rate-dependent restitution in the CRN atrial membrane model, Annual APS March Meeting 2002, Indianapolis, IN, p. 949, 2002.
W. Krassowska, Field stimulation of cardiac fibers with random spatial structure, Ann. Biomed. Eng., 29: S55, 2001.
W. Krassowska and J. C. Neu, Post-shock evolution of pores, Ann. Biomed. Eng., 29: S101, 2001.
K. Skouibine and W. Krassowska, Increasing computational efficiency of a bidomain model of defibrillation using time-dependent activating function, Ann. Biomed. Eng., 28: 772-780, 2000.
R. A. Oliver, G. M. Hall, S. Bahar, W. Krassowska, P. D. Wolf, E. Dixon-Tulloch, and D. J. Gauthier, Existence of bistability and correlation with arrhythmogenesis in paced sheep atria, J. Cardiovasc. Electrophysiol., 11: 797-805, 2000.
A. O. Bilska, K. A. DeBruin and Wanda Krassowska, Theoretical modeling of the effects of shock duration, frequency, and strength on the degree of electroporation, Bioelectrochem. Bioenerg., 51: 133-143, 2000.
K. Skouibine and W. Krassowska, Efficient method for modeling defibrillation In "Electrocardiology '99: Proc. XXVI International Congress on Electrocardiology," M. P. Roshchevsky, Ed., Jointstock Company Komi Republica Printing House, Syktyvkar, Russia, 2000.
J. Wall, N. A. Trayanova, K. Skouibine, and W. Krassowska, Modeling induction of reentry with realistic S2 stimulus, Proc. 1st Joint BMES/EMBS Conf., p. 154, 1999.
K. Skouibine and W. Krassowska, Reduced bidomain model of defibrillation, Proc. 1st Joint BMES/EMBS Conf., p. 287, 1999.
S. Bahar, G. M. Hall, R. A. Oliver, W. Krassowska, and D. Gauthier, Transitions between 2:1 and 1:1 responses in cardiac muscle induced by added stimuli Proc. 1st Joint BMES/EMBS Conf., p. 258, 1999.
R. A. Oliver, W. Krassowska, G. M. Hall, S. Bahar, P. D. Wolf, and D. J. Gauthier Existence of bistability and correlation with arrhythmogenesis in sheep atria Proc. 1st Joint BMES/EMBS Conf., p. 157, 1999.
A. O. Bilska, K. A. DeBruin, and W. Krassowska, Electroporation of single cells by high frequency shocks, Proc. 1st Joint BMES/EMBS Conf., p. 87, 1999.
K. A. DeBruin and Wanda Krassowska, Modeling electroporation in a single cell. I: Effects of field strength and rest potential, Biophys. J., 77: 1213-1224, 1999.
K. A. DeBruin and Wanda Krassowska, Modeling electroporation in a single cell. II: Effects of ionic concentrations, Biophys. J., 77: 1225-1233, 1999.
F. Aguel, K. A. DeBruin, W. Krassowska and N. Trayanova, Effects of electroporation on the transmembrane potential distribution in a two-dimensional bidomain model of cardiac tissue, J. Cardiovasc. Electrophysiol., 10: 701-714, 1999.
J. C. Neu and W. Krassowska, Asymptotic model of electroporation, Phys. Rev. E, 59: 3471-3482, 1999.
B. A. Stone, M. Lieberman, and W. Krassowska, Field stimulation of isolated chick heart cells: Comparison of experimental and theoretical activation thresholds, J. Cardiovasc. Electrophysiol., 10: 92-107, 1999.
R. A. Oliver, G. M. Hall, S. Bahar, P. D. Wolf, W. Krassowska, and D. Gauthier, Bistability in paced bullfrog and sheep cardiac tissue, Dynamics Days '99, 18th Annual International Conference on Chaos and Nonlinear Dynamics, Atlanta, GA, 1999.
S. Bahar, G. M. Hall, R. A. Oliver, W. Krassowska, and D. Gauthier, Inducing transitions between bistable states in cardiac muscle using small electric stimuli, Dynamics Days '99, 18th Annual International Conference on Chaos and Nonlinear Dynamics, Atlanta, GA, 1999.
K. A. DeBruin and W. Krassowska, Effects of electroporation on Vm in a single cell, Ann. Biomed. Eng., 26: S-20, 1998
K. A. DeBruin and W. Krassowska, Electroporation and shock-induced transmembrane potential in a cardiac fiber during defibrillation strength shocks, Ann. Biomed. Eng., 26: 584-596, 1998.
B. J. Roth and W. Krassowska, The induction of reentry in cardiac tissue. The missing link: How electric fields alter transmembrane potential, Chaos, 8: 204-220, 1998.
W. Krassowska and M. S. Kumar, The role of spatial interactions in creating the dispersion of transmembrane potential by premature electric shocks, Ann. Biomed. Eng., 25: 949-963, 1997.
K. A. DeBruin and W. Krassowska, Electroporation and transmembrane potential in a cardiac fiber during defibrillation strength shocks, Ann. Biomed. Eng., 25: S-60, 1997.
B. A. Stone, M. Lieberman, and W. Krassowska, Field stimulation of heart cells at 37$^o$C and 27$^o$C, Ann. Biomed. Eng., 25: S-62, 1997.
M. S. Kumar and W. Krassowska, Mechanism of dispersion of transmembrane potential by premature electric shocks, in: Electrocardiology '96. From the Cell to the Body Surface, J. Liebman, Ed., World Scientific, Singapore, pp. 196-193, 1997.
J. C. Neu, R. S. Preissig, Jr., and W. Krassowska, Initiation of propagation in a one-dimensional excitable medium, Physica D, 102: 285-299, 1997.
W. Krassowska, Modeling the interaction of cardiac muscle with strong fields, in: Case Studies in Mathematical Modeling--Ecology, Physiology and Biofluids, H. G. Othmer, F. R. Adler, M. A. Lewis, and J. C. Dallon, Eds., Prentice Hall, Upper Saddle River, NJ, pp. 277-308, 1997.
K. A. DeBruin and W. Krassowska, Electroporation as a mechanism of the saturation of transmembrane potential induced by large electric fields, Proc. 18th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, p. 287, 1996.
B. A. Stone, M. Lieberman, and W. Krassowska, Field stimulation of chick heart cells, Ann. Biomed. Eng., 24: S-59, 1996.
J. C. Neu and W. Krassowska, Criterion for initiation of propagation in an excitable fiber, Society for Mathematical Biology Annual Meeting, Seattle, WA, August 4-8, 1996.
N. Trayanova and W. Krassowska, Virtual electrode effects in a bidomain model with electroporating membrane, Proc. 17th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 255-256, 1995.
W. Krassowska, Macroscopic model of electroporating membrane, Proc. 17th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 253-254, 1995.
G. P. Walcott, R. G. Walker, A. W. Cates, W. Krassowska, W. M. Smith, and R. E. Ideker, Choosing the optimal monophasic and biphasic waveforms for ventricular defibrillation, J. Cardiovasc. Electrophysiol., 6: 737-750, 1995.
W. Krassowska, Effects of electroporation on transmembrane potential induced by defibrillation shocks, PACE, 18: 1644-1660, 1995.
W. Krassowska and J. C. Neu, Activation of a single cell by an external field, Computers in Cardiology, pp. 637-640, 1994.
W. Krassowska and J. C. Neu, Response of a single cell to an external electric field, Biophys. J., 66: 1768-1776, 1994.
C. Alferness, P. V. Bayly, W. Krassowska, J. P. Daubert, W. M. Smith, and R. E. Ideker, Strength-interval curves in canine myocardium at very short cycle lengths, PACE, 17: 876-881, 1994.
G. P. Walcott, R. G. Walker, W. Krassowska, W. M. Smith, and R. E. Ideker, Choosing the optimum monophasic and biphasic waveforms for defibrillation, PACE, 17: 789, 1994.
W. Krassowska and J. C. Neu, Effective boundary conditions for syncytial tissues, IEEE Trans. Biomed. Eng., 41: 143-150, 1994.
W. Krassowska, L. G. Villanueva, and J. C. Neu, Influence of an adjacent volume conductor on shock-induced membrane potential, Proc. Second Carolina Conf. in Biomed. Eng., pp. 75, 1994.
G. P. Walcott, A. W. Cates, W. Krassowska, W. M. Smith, and R. E. Ideker, An explanation of how the biphasic waveform improves defibrillation efficacy, Proc. of Cardiovascular Science and Technology Conference, Washington, DC, p. 41, 1993.
W. Krassowska and J. C. Neu, Boundary conditions for the bidomain model of the heart, Proc. 15th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 865-866, 1993.
P. A. Guse, D. L. Rollins, W. Krassowska, P. D. Wolf, W. M. Smith, and R. E. Ideker, Effective defibrillation in pigs using interleaved biphasic and common phase sequential biphasic shocks, PACE, 16: 1719-1734, 1993.
J. C. Neu and W. Krassowska, Homogenization of syncytial tissues, Crit. Rev. Biomed. Eng., 21: 137-199, 1993.
W. Krassowska, S. B. Knisley, and T. C. Pilkington, Basic mechanisms of interaction of electric field with cardiac tissue, Proc. of Cardiovascular Science and Technology Conference, Bethesda, MD, p. 61, 1992.
W. Krassowska and J. C. Neu, Theoretical versus experimental estimates of the effective conductivities of cardiac muscle, Computers in Cardiology, pp. 703-706, 1992.
W. Krassowska and V. G. Papanicolaou, Transmembrane potential under constant voltage and constant current electrodes, Proc. 27th Annual AAMI Scientific Session, p. 44, 1992.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, Two-scale asymptotic analysis for modeling activation of periodic cardiac strand, Mathl Comput. Modelling, 16: 121-130, 1992.
W. Krassowska, C. Cabo, S. B. Knisley, and R. E. Ideker, Propagation versus delayed activation during field stimulation of cardiac muscle, PACE, 15: 197-210, 1992.
W. Krassowska, D. L. Rollins, P. D. Wolf, E. G. Dixon, T. C. Pilkington, and R. E. Ideker, Pacing thresholds for cathodal and anodal high-frequency monophasic pulses, J. Cardiovasc. Electrophysiol., 3: 64-76, 1992.
S. B. Knisley, W. Krassowska, T. C. Pilkington, and W. M. Smith, Do myocardial fibers contain junctional capacitance? Proc. 13th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 611-612, 1991.
S. B. Knisley, W. Krassowska, W. M. Smith, and T. C. Pilkington, Longitudinal capacitance in myocardial fibers, Circulation, 84: II-325, 1991.
V. G. Papanicolaou and W. Krassowska, Electrostatic potential on the boundary of cardiac tissue, Proc. 13th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 500-501, 1991.
S. B. Knisley, W. Krassowska, E. G. Dixon-Tulloch, J. A. Hagler, W. M. Smith, and R. E. Ideker, Effect of intrastimulus polarity reversal on excitation thresholds for field stimulation, PACE, 14: 688, 1991.
W. Krassowska, C. Cabo, T. C. Pilkington, and R. E. Ideker, Delayed excitation as a possible mechanism of a post-shock isoelectric window, PACE, 14: 716, 1991.
S. B. Knisley, W. Krassowska, P. D. Wolf, W. M. Smith, and R. E. Ideker, Impact of myocardial fiber orientation on cellular response to countershock, J. Am. Coll. Cardiol., 17: 297A, 1991.
J. M. Wharton, T. Blitchington, J. Afework, W. Krassowska, P. D. Wolf, W. M. Smith, J. E. Lowe, and R. E. Ideker, Potential gradient threshold necessary to activate human myocardium, J. Am. Coll. Cardiol., 17: 272A, 1991.
R. E. Ideker, P. D. Wolf, C. A. Alferness, W. Krassowska, and W. M. Smith, Current concepts for selecting the location, size, and shape of defibrillation electrodes, PACE, 14: 227-240, 1991.
W. Krassowska, M. N. Morrow, and T. C. Pilkington, Modeling in the Bioelectric Stimulation Unit. NSF/ERC Unit 1.1C, Proc. 12th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 666-667, 1990.
W. Krassowska, S. B. Knisley, T. C. Pilkington, and R. E. Ideker, Modeling high-frequency pacing with a discrete cardiac strand, Proc. 12th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 624-625, 1990.
S. B. Knisley, W. Krassowska, T. C. Pilkington, and W. M. Smith, Effect of intercellular capacitance on conduction in a model of cell uncoupling, Proc. 12th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 620-621, 1990.
R. E. Ideker, D. W. Frazier, W. Krassowska, N. Shibata, P.-S. Chen, K. M. Kavanagh, and W. M. Smith, Experimental evidence for autowaves in the heart, in: Mathematical Approaches to Cardiac Arrhythmias, J. Jalife, Ed., Ann. N. Y. Acad. Sci., 591: 208-218, New York Academy of Sciences, New York, 1990.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, Modeling excitation with extracellular electrodes, PACE, 13: 548, 1990.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, Potential distribution in three-dimensional periodic myocardium: Part I. Solution with two-scale asymptotic analysis, IEEE Trans. Biomed. Eng., 37: 252-266, 1990.
W. Krassowska, D. W. Frazier, T. C. Pilkington, and R. E. Ideker, Potential distribution in three-dimensional periodic myocardium: Part II. Application to extracellular stimulation, IEEE Trans. Biomed. Eng., 37: 267-284, 1990.
R. E. Ideker, D. W. Frazier, W. Krassowska, P.-S. Chen, and J. M. Wharton, Physiologic effects of electrical stimulation in cardiac muscle, in: Electrical Therapy For Cardiac Arrhythmias: Pacing, Antitachycardia Devices, Catheter Ablation, S. Saksena and N. Goldschlager, Eds., pp. 357-370, W. B. Saunders, Philadelphia, 1990.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, Modelling the periodicity of cardiac muscle, J. Electrocardiol., 22-Suppl: 41-47, 1989.
R. E. Ideker, W. Krassowska, J. Marcus Wharton, and W. M. Smith, Experimental results pertinent to the modelling defibrillation, Proc. 11th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 77-78, 1989.
J. P. Daubert, D. W. Frazier, W. Krassowska, S. Yabe, W. M. Smith, and R. E. Ideker, Direct excitation of relatively refractory tissue by monophasic and biphasic shocks, J. Am. Coll. Cardiol., 13: 215A, 1989.
W. Krassowska, A. S. L. Tang, T. C. Pilkington, and R. E. Ideker, Anodal and cathodal thresholds during transthoracic stimulation, Proc. 10th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 202-203, 1988.
D. W. Frazier, W. Krassowska, P.-S. Chen, P. D. Wolf, N. D. Danieley, W. M. Smith, and R. E. Ideker, Transmural activations and stimulus potentials in three-dimensional anisotropic canine myocardium, Circ. Res., 63: 135-146, 1988.
D. W. Frazier, W. Krassowska, P.-S. Chen, P. D. Wolf, E. G. Dixon, W. M. Smith, and R. E. Ideker, Extracellular field required for excitation in three-dimensional anisotropic canine myocardium, Circ. Res., 63: 147-164, 1988.
W. Krassowska, J. P. Daubert, A. S. L. Tang, and R. E. Ideker, The edge effect of catheter electrodes, PACE, 11: 509, 1988.
D. W. Frazier, W. Krassowska, P. D. Wolf, A. S. L. Tang, W. M. Smith, and R. E. Ideker, Combinations of stimulus strength and refractoriness needed for conduction block, J. Am. Coll. Cardiol., 11: 166A, 1988.
W. Krassowska, D. W. Frazier, T. C. Pilkington, and R. E. Ideker, Finite element approximation of potential gradient in cardiac muscle undergoing stimulation, Mathl Comput. Modelling, 11: 801-806, 1988.
W. Krassowska, Asymptotic analysis for modeling electrical stimulation of periodic cardiac muscle, Ph.D. Dissertation, Duke University, Durham, NC, 1987.
D. W. Frazier, W. Krassowska, J. M. Wharton, P. D. Wolf, A. S.L. Tang, N. D. Danieley, and R. E. Ideker, Induced reentry in normal myocardium, Circulation, 76: IV-430, 1987.
T. C. Pilkington, W. Krassowska, M. N. Morrow, and R. E. Ideker, Feasibility of estimating endocardial potentials from cavity potentials, Proc. 9th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 1875-1876, 1987.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, The closed form solution to the periodic core-conductor model using asymptotic analysis, IEEE Trans. Biomed. Eng., 34: 519-531, 1987.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, Periodic conductivity as a mechanism for cardiac stimulation and defibrillation, IEEE Trans. Biomed. Eng., 34: 555-560, 1987.
D. W. Frazier, W. Krassowska, P-S. Chen, P. D. Wolf, E. G. Dixon, W. M. Smith, and R. E. Ideker, Extracellular potential gradient, current density and energy required for excitation, PACE, 10: 445, 1987.
D. W. Frazier, W. Krassowska, P.-S. Chen, P. D. Wolf, N. D. Danieley, S. D. Bowling, and R. E. Ideker, Anodal and cathodal excitation with low and high currents, J. Am. Coll. Cardiol., 9: 96A, 1987.
D. W. Frazier, W. Krassowska, P.-S. Chen, P. D. Wolf, N. D. Danieley, S. D. Bowling, R. E. Ideker, Transmural activations and potentials with endocardial and epicardial pacing, J. Am. Coll. Cardiol., 9: 32A, 1987.
J. M. Wharton, P. D. Wolf, E. G. Dixon, P.-S. Chen, W. Krassowska, D. W. Frazier, and R. E. Ideker, Single, combined and sequential defibrillation shocks, Circulation, 74: II-342, 1986.
D. W. Frazier, W. Krassowska, P-S. Chen, P. D. Wolf, E. G. Dixon, W. M. Smith, and R. E. Idekerq, Extracellular potential gradient required for depolarization, Circulation, 74: II-343, 1986.
W. Krassowska, T. C. Pilkington, and R. E. Ideker, Asymptotic analysis for periodic cardiac muscle, Proc. 8th Annual Conf. of the IEEE Engineering in Medicine and Biology Society, pp. 255-258, 1986.
W. Krassowska, B. Jurkiewicz, E. Klupsz, K. Peczalski, and M. Stopczyk, Computerized system for isochronic epicardial mapping, Med. Inf., 10: 237-247, 1985.

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Last updated February 24, 2005