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William Smith

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Peter G Robertson; Jian Huang; Kang A Chen; Xiaozhong Chen; Derek J Dosdall; Paul B Tabereaux; William M Smith; Raymond E Ideker
Increased cycle length during long-duration ventricular fibrillation is caused by decreased upstroke velocity as well as prolonged refractoriness.
James D Allred; Cheryl R Killingsworth; J Scott Allison; Derek J Dosdall; Sharon B Melnick; William M Smith; Raymond E Ideker; Gregory P Walcott
Transmural recording of shock potential gradient fields, early postshock activations, and refibrillation episodes associated with external defibrillation of long-duration ventricular fibrillation in swine.
Harish Doppalapudi; Qi Jin; Derek J Dosdall; Hao Qin; Gregory P Walcott; Cheryl R Killingsworth; William M Smith; Raymond E Ideker; Jian Huang
Intracoronary infusion of catecholamines causes focal arrhythmias in pigs.

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2009: Peter G Robertson; Jian Huang; Kang A Chen; Xiaozhong Chen; Derek J Dosdall; Paul B Tabereaux; William M Smith; Raymond E Ideker
Increased cycle length during long-duration ventricular fibrillation is caused by decreased upstroke velocity as well as prolonged refractoriness.
Heart rhythm : the official journal of the Heart Rhythm Society 2009;6(3):378-84.
2008: James D Allred; Cheryl R Killingsworth; J Scott Allison; Derek J Dosdall; Sharon B Melnick; William M Smith; Raymond E Ideker; Gregory P Walcott
Transmural recording of shock potential gradient fields, early postshock activations, and refibrillation episodes associated with external defibrillation of long-duration ventricular fibrillation in swine.
Heart rhythm : the official journal of the Heart Rhythm Society 2008;5(11):1599-606.
2008: Harish Doppalapudi; Qi Jin; Derek J Dosdall; Hao Qin; Gregory P Walcott; Cheryl R Killingsworth; William M Smith; Raymond E Ideker; Jian Huang
Intracoronary infusion of catecholamines causes focal arrhythmias in pigs.
Journal of cardiovascular electrophysiology 2008;19(9):963-70.
2008: Derek J Dosdall; Paul B Tabereaux; Jong J Kim; Gregory P Walcott; Jack M Rogers; Cheryl R Killingsworth; Jian Huang; Peter G Robertson; William M Smith; Raymond E Ideker
Chemical ablation of the Purkinje system causes early termination and activation rate slowing of long-duration ventricular fibrillation in dogs.
American journal of physiology. Heart and circulatory physiology 2008;295(2):H883-9.
2008: Andrew E Pollard; Charles D Ellis; William M Smith
Linear electrode arrays for stimulation and recording within cardiac tissue space constants.
IEEE transactions on bio-medical engineering 2008;55(4):1408-14.
2007: J Scott Allison; Hao Qin; Derek J Dosdall; Jian Huang; Jonathan C Newton; James D Allred; William M Smith; Raymond E Ideker
The transmural activation sequence in porcine and canine left ventricle is markedly different during long-duration ventricular fibrillation.
Journal of cardiovascular electrophysiology 2007;18(12):1306-12.
2007: Wei Kong; Nadia Fakhari; Oleg F Sharifov; Raymond E Ideker; William M Smith; Vladimir G Fast
Optical measurements of intramural action potentials in isolated porcine hearts using optrodes.
Heart rhythm : the official journal of the Heart Rhythm Society 2007;4(11):1430-6.
2007: Jian Huang; Kang-An Cheng; Derek J Dosdall; William M Smith; Raymond E Ideker
Role of maximum rate of depolarization in predicting action potential duration during ventricular fibrillation.
American journal of physiology. Heart and circulatory physiology 2007;293(4):H2530-6.
2007: Paul B Tabereaux; Gregory P Walcott; Jack M Rogers; Jong Kim; Derek J Dosdall; Peter G Robertson; Cheryl R Killingsworth; William M Smith; Raymond E Ideker
Activation patterns of Purkinje fibers during long-duration ventricular fibrillation in an isolated canine heart model.
Circulation 2007;116(10):1113-9.
2007: Derek J Dosdall; Kang-An Cheng; Jian Huang; J Scott Allison; James D Allred; William M Smith; Raymond E Ideker
Transmural and endocardial Purkinje activation in pigs before local myocardial activation after defibrillation shocks.
Heart rhythm : the official journal of the Heart Rhythm Society 2007;4(6):758-65.
2007: Wei Kong; Jian Huang; Dennis L Rollins; Raymond E Ideker; William M Smith
A semi-implantable multichannel telemetry system for continuous electrical, mechanical and hemodynamical recordings in animal cardiac research.
Physiological measurement 2007;28(3):249-57.
2007: R Shane Tubbs; E George Salter; Cheryl R Killingsworth; Dennis L Rollins; William M Smith; Raymond E Ideker; John C Wellons; Jeffrey P Blount; W Jerry Oakes
Right-sided vagus nerve stimulation inhibits induced spinal cord seizures.
Clinical anatomy (New York, N.Y.) 2007;20(1):23-6.
2006: Cheryl R Killingsworth; Gregory P Walcott; Tracy L Gamblin; Steven D Girouard; William M Smith; Raymond E Ideker
Chronic myocardial infarction is a substrate for bradycardia-induced spontaneous tachyarrhythmias and sudden death in conscious animals.
Journal of cardiovascular electrophysiology 2006;17(2):189-97.
2006: Derek J Dosdall; Jian Huang; William M Smith; James D Allred; J Scott Allison; Raymond E Ideker
Printed circuit board electrodes for transmural cardiac mapping.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2006;1():3927-30.
2006: Derek J Dosdall; Jian Huang; William M Smith; J Scott Allison; James D Allred; Raymond E Ideker
Guidelines for plunge needle recording for effective detection of purkinje activation.
Conference proceedings : ... Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Conference 2006;1():3915-8.
2005: Xiangsheng Zheng; Gregory P Walcott; William M Smith; Raymond E Ideker
Evidence that activation following failed defibrillation is not caused by triggered activity.
Journal of cardiovascular electrophysiology 2005;16(11):1200-5.
2005: Kumaraswamy Nanthakumar; G Neal Kay; Vance J Plumb; Xiangsheng Zheng; Cheryl R Killingsworth; William M Smith; Raymond E Ideker; Andrew E Epstein; David Lan; Philip L Johnson
Decrease in fluoroscopic cardiac silhouette excursion precedes hemodynamic compromise in intraprocedural tamponade.
Heart rhythm : the official journal of the Heart Rhythm Society 2005;2(11):1224-30.
2005: Hao Qin; Jian Huang; Jack M Rogers; Gregory P Walcott; Dennis L Rollins; William M Smith; Raymond E Ideker
Mechanisms for the maintenance of ventricular fibrillation: the nonuniform dispersion of refractoriness, restitution properties, or anatomic heterogeneities?
Journal of cardiovascular electrophysiology 2005;16(8):888-97.
2005: Wei Kong; Dennis L Rollins; Raymond E Ideker; William M Smith
Design and initial evaluation of an implantable sonomicrometer and CW Doppler flowmeter for simultaneous recordings with a multichannel telemetry system.
IEEE transactions on bio-medical engineering 2005;52(7):1365-7.
2005: Kumaraswamy Nanthakumar; Philip L Johnson; Jian Huang; Cheryl R Killingsworth; Dennis L Rollins; Hugh T McElderry; William M Smith; Raymond E Ideker
Regional variation in capture of fibrillating swine left ventricle during electrical stimulation.
Journal of cardiovascular electrophysiology 2005;16(4):425-32.
2005: R Shane Tubbs; Cheryl R Killingsworth; Dennis L Rollins; William M Smith; Raymond E Ideker; John C Wellons; Jeffrey P Blount; W Jerry Oakes
Vagus nerve stimulation for induced spinal cord seizures: insights into seizure cessation.
Journal of neurosurgery 2005;102(2 Suppl):213-7.
2004: Jian Huang; Xiaohong Zhou; William M Smith; Raymond E Ideker
Restitution properties during ventricular fibrillation in the in situ swine heart.
Circulation 2004;110(20):3161-7.
2004: Xiangsheng Zheng; Jian Huang; Gregory P Walcott; William M Smith; Raymond E Ideker
Activation sequences following failed atrial defibrillation.
Heart rhythm : the official journal of the Heart Rhythm Society 2004;1(5):616-23.
2004: Israel A Byrd; Jack M Rogers; William M Smith; Andrew E Pollard
Comparison of conventional and biventricular antitachycardia pacing in a geometrically realistic model of the rabbit ventricle.
Journal of cardiovascular electrophysiology 2004;15(9):1066-77.
2004: Cheryl R Killingsworth; Chih-Chang Wei; Louis J Dell'Italia; Jeffrey L Ardell; Melody A Kingsley; William M Smith; Raymond E Ideker; Gregory P Walcott
Short-acting beta-adrenergic antagonist esmolol given at reperfusion improves survival after prolonged ventricular fibrillation.
Circulation 2004;109(20):2469-74.
2004: Kumaraswamy Nanthakumar; Gregory P Walcott; Sharon B Melnick; Jack M Rogers; Matthew W Kay; William M Smith; Raymond E Ideker; William L Holman
Epicardial organization of human ventricular fibrillation.
Heart rhythm : the official journal of the Heart Rhythm Society 2004;1(1):14-23.
2004: Jonathan C Newton; William M Smith; Raymond E Ideker
Estimated global transmural distribution of activation rate and conduction block during porcine and canine ventricular fibrillation.
Circulation research 2004;94(6):836-42.
2003: Jonathan L Byars; William M Smith; Raymond E Ideker; Vladimir G Fast
Development of an optrode for intramural multisite optical recordings of Vm in the heart.
Journal of cardiovascular electrophysiology 2003;14(11):1196-202.
2003: Philip L Johnson; Jonathan C Newton; Dennis L Rollins; William M Smith; Raymond E Ideker
Adaptive pacing during ventricular fibrillation.
Pacing and clinical electrophysiology : PACE 2003;26(9):1824-36.
2003: Gregory P Walcott; Sharon B Melnick; Cheryl R Killingsworth; William M Smith; Raymond E Ideker
Effects of burst stimulation during ventricular fibrillation on cardiac function after defibrillation.
American journal of physiology. Heart and circulatory physiology 2003;285(2):H766-74.
2003: Nirav Patel; G Neal Kay; Javier Sanchez; Raymond E Ideker; William M Smith
Discrimination of left atrial and pulmonary vein potentials in patients with paroxysmal atrial fibrillation.
Journal of cardiovascular electrophysiology 2003;14(7):698-704.
2003: Javier E Sanchez; G Neal Kay; Michael E Benser; Jeffrey A Hall; Gregory P Walcott; William M Smith; Raymond E Ideker
Identification of transmural necrosis along a linear catheter ablation lesion during atrial fibrillation and sinus rhythm.
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing 2003;8(1):9-17.
2003: Wei Kong; Gregory P Walcott; William M Smith; Philip L Johnson; Stephen B Knisley
Emission ratiometry for simultaneous calcium and action potential measurements with coloaded dyes in rabbit hearts: reduction of motion and drift.
Journal of cardiovascular electrophysiology 2003;14(1):76-82.
2002: Cheryl R Killingsworth; Sharon B Melnick; Fred W Chapman; Robert G Walker; William M Smith; Raymond E Ideker; Gregory P Walcott
Defibrillation threshold and cardiac responses using an external biphasic defibrillator with pediatric and adult adhesive patches in pediatric-sized piglets.
Resuscitation 2002;55(2):177-85.
2002: Kumaraswamy Nanthakumar; Jian Huang; Jack M Rogers; Philip L Johnson; Jonathan C Newton; Gregory P Walcott; Robert K Justice; Dennis L Rollins; William M Smith; Raymond E Ideker
Regional differences in ventricular fibrillation in the open-chest porcine left ventricle.
Circulation research 2002;91(8):733-40.
2002: Jonathan C Newton; Philip L Johnson; Robert K Justice; William M Smith; Raymond E Ideker
Estimated global epicardial distribution of activation rate and conduction block during porcine ventricular fibrillation.
Journal of cardiovascular electrophysiology 2002;13(10):1035-41.
2002: Xiangsheng Zheng; Michael E Benser; Gregory P Walcott; William M Smith; Raymond E Ideker
Reduction of the internal atrial defibrillation threshold with balanced orthogonal sequential shocks.
Journal of cardiovascular electrophysiology 2002;13(9):904-9.
2002: Jian Huang; Jonathan L Skinner; Jack M Rogers; William M Smith; William L Holman; Raymond E Ideker
The effects of acute and chronic amiodarone on activation patterns and defibrillation threshold during ventricular fibrillation in dogs.
Journal of the American College of Cardiology 2002;40(2):375-83.
2002: Ravish V Patwardhan; R Shane Tubbs; Robert J Leonard; David Kelly; Cheryl R Killingsworth; Dennis L Rollins; William M Smith; Raymond E Ideker; W Jerry Oakes
Discernment of adipose versus nervous tissue: a novel adjunct solution in lipomyelomeningocele surgery.
Pediatric neurosurgery 2002;36(6):314-9.
2002: Hao Qin; Gregory P Walcott; Cheryl R Killingsworth; Dennis L Rollins; William M Smith; Raymond E Ideker
Impact of myocardial ischemia and reperfusion on ventricular defibrillation patterns, energy requirements, and detection of recovery.
Circulation 2002;105(21):2537-42.
2002: Ravish V Patwardhan; R Shane Tubbs; Cheryl R Killingsworth; Dennis L Rollins; William M Smith; Raymond E Ideker
Ninth cranial nerve stimulation for epilepsy control. Part 1: efficacy in an animal model.
Pediatric neurosurgery 2002;36(5):236-43.
2002: Philip L Johnson; Jonathan C Newton; Dennis L Rollins; Stephen B Knisley; Raymond E Ideker; William M Smith
Intelligent multichannel stimulator for the study of cardiac arrhythmias.
Annals of biomedical engineering 2002;30(2):180-91.
2002: Gregory P Walcott; Cheryl R Killingsworth; William M Smith; Raymond E Ideker
Biphasic waveform external defibrillation thresholds for spontaneous ventricular fibrillation secondary to acute ischemia.
Journal of the American College of Cardiology 2002;39(2):359-65.
2002: Gregory P Walcott; G Neal Kay; Vance J Plumb; William M Smith; Jack M Rogers; Andrew E Epstein; Raymond E Ideker
Endocardial wave front organization during ventricular fibrillation in humans.
Journal of the American College of Cardiology 2002;39(1):109-15.
2002: Jian Huang; Gregory P Walcott; Cheryl R Killingsworth; William M Smith; Bruce H Kenknight; Raymond E Ideker
Effect of electrode location in great cardiac vein on the ventricular defibrillation threshold.
Pacing and clinical electrophysiology : PACE 2002;25(1):42-8.
2001: X Zheng; Gregory P Walcott; Dennis L Rollins; Jeffrey A Hall; William M Smith; G Neal Kay; Raymond E Ideker
Comparison of the temperature profile and pathological effect at unipolar, bipolar and phased radiofrequency current configurations.
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing 2001;5(4):401-10.
2001: Adam Cates; William M Smith; Raymond E Ideker; Andrew E Pollard
Purkinje and ventricular contributions to endocardial activation sequence in perfused rabbit right ventricle.
American journal of physiology. Heart and circulatory physiology 2001;281(2):H490-505.
2001: Raymond E Ideker; C Alferness; S Melnick; K M Sreenan; E Johnson; William M Smith
Reentry site during fibrillation induction in relation to defibrillation efficacy for different shock waveforms.
Journal of cardiovascular electrophysiology 2001;12(5):581-91.
2001: Jian Huang; Jack M Rogers; Cheryl R Killingsworth; Gregory P Walcott; Bruce H Kenknight; William M Smith; Raymond E Ideker
Improvement of defibrillation efficacy and quantification of activation patterns during ventricular fibrillation in a canine heart failure model.
Circulation 2001;103(10):1473-8.
2000: Jack M Rogers; Jian Huang; R W Pedoto; Robert G Walker; William M Smith; Raymond E Ideker
Fibrillation is more complex in the left ventricle than in the right ventricle.
Journal of cardiovascular electrophysiology 2000;11(12):1364-71.
2000: Cheryl R Killingsworth; D E Ritscher; Gregory P Walcott; Dennis L Rollins; Raymond E Ideker; William M Smith
Continuous telemetry from a chronic canine model of sudden cardiac death.
Journal of cardiovascular electrophysiology 2000;11(12):1333-41.
2000: X Zheng; Gregory P Walcott; Jeffrey A Hall; Dennis L Rollins; William M Smith; G Neal Kay; Raymond E Ideker
Electrode impedance: an indicator of electrode-tissue contact and lesion dimensions during linear ablation.
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing 2000;4(4):645-54.
2000: Xiangsheng Zheng; Michael E Benser; Gregory P Walcott; Steven D Girouard; Dennis L Rollins; William M Smith; Raymond E Ideker
Reduction of atrial defibrillation threshold with an interatrial septal electrode.
Circulation 2000;102(21):2659-64.
2000: William M Smith; H J Vidaillet; S J Worley; J K Pollard; L D German; D W Mortara; Raymond E Ideker
Signal averaging in Wolff-Parkinson-White syndrome: evidence that fractionated activation is not necessary for body surface high-frequency potentials.
Pacing and clinical electrophysiology : PACE 2000;23(9):1330-5.
2000: D Porras; Jack M Rogers; William M Smith; Andrew E Pollard
Distributed computing for membrane-based modeling of action potential propagation.
IEEE transactions on bio-medical engineering 2000;47(8):1051-7.
2000: S Zhang; Jonathan L Skinner; A L Sims; Dennis L Rollins; Gregory P Walcott; William M Smith; Raymond E Ideker
Three-dimensional mapping of spontaneous ventricular arrhythmias in a canine thrombotic coronary occlusion model.
Journal of cardiovascular electrophysiology 2000;11(7):762-72.
2000: Dennis L Rollins; Cheryl R Killingsworth; Gregory P Walcott; Robert K Justice; Raymond E Ideker; William M Smith
A telemetry system for the study of spontaneous cardiac arrhythmias.
IEEE transactions on bio-medical engineering 2000;47(7):887-92.
2000: Jian Huang; Bruce H Kenknight; Dennis L Rollins; William M Smith; Raymond E Ideker
Ventricular defibrillation with triphasic waveforms.
Circulation 2000;101(11):1324-8.
1999: Isabelle Banville; Richard A Gray; Raymond E Ideker; William M Smith
Shock-induced figure-of-eight reentry in the isolated rabbit heart.
Circulation research 1999;85(8):742-52.
1999: Frederick G Evans; Jack M Rogers; William M Smith; Raymond E Ideker
Automatic detection of conduction block based on time-frequency analysis of unipolar electrograms.
IEEE transactions on bio-medical engineering 1999;46(9):1090-7.
1999: Parwis C Fotuhi; R A Cooper; CM Sreenan; Dennis L Rollins; William M Smith; Raymond E Ideker
Can early timed internal atrial defibrillation shocks reduce the atrial defibrillation threshold?
Pacing and clinical electrophysiology : PACE 1999;22(8):1179-85.
1999: Jack M Rogers; Jian Huang; William M Smith; Raymond E Ideker
Incidence, evolution, and spatial distribution of functional reentry during ventricular fibrillation in pigs.
Circulation research 1999;84(8):945-54.
1999: Sven Reek; JL Bicknell; Gregory P Walcott; Sanford P Bishop; William M Smith; G Neal Kay; Raymond E Ideker
Inducibility of sustained ventricular tachycardia in a closed-chest ovine model of myocardial infarction.
Pacing and clinical electrophysiology : PACE 1999;22(4 Pt 1):605-14.
1999: William M Smith; Raymond E Ideker
Automatic implantable cardioverter-defibrillators.
Annual review of biomedical engineering 1999;1():331-46.
1999: William M Smith
Direct mapping of bioelectric activity.
Critical reviews in biomedical engineering 1999;27(3-5):339-58.
1998: Jian Huang; Jack M Rogers; Bruce H Kenknight; Dennis L Rollins; William M Smith; Raymond E Ideker
Evolution of the organization of epicardial activation patterns during ventricular fibrillation.
Journal of cardiovascular electrophysiology 1998;9(12):1291-1304.
1998: Gregory P Walcott; Sharon B Melnick; Fred W Chapman; J L Jones; William M Smith; Raymond E Ideker
Relative efficacy of monophasic and biphasic waveforms for transthoracic defibrillation after short and long durations of ventricular fibrillation.
Circulation 1998;98(20):2210-5.
1998: Xiaohong Zhou; Stephen B Knisley; William M Smith; Dennis L Rollins; Andrew E Pollard; Raymond E Ideker
Spatial changes in the transmembrane potential during extracellular electric stimulation.
Circulation research 1998;83(10):1003-14.
1998: X Zhou; William M Smith; Robert K Justice; J L Wayland; Raymond E Ideker
Transmembrane potential changes caused by monophasic and biphasic shocks.
The American journal of physiology 1998;275(5 Pt 2):H1798-807.
1998: J S Strobel; Bruce H Kenknight; Dennis L Rollins; William M Smith; Raymond E Ideker
The effects of ventricular fibrillation duration and site of initiation on the defibrillation threshold during early ventricular fibrillation.
Journal of the American College of Cardiology 1998;32(2):521-7.
1998: P V Bayly; Bruce H Kenknight; Jack M Rogers; R E Hillsley; Raymond E Ideker; William M Smith
Estimation of conduction velocity vector fields from epicardial mapping data.
IEEE transactions on bio-medical engineering 1998;45(5):563-71.
1998: Nipon Chattipakorn; Bruce H Kenknight; Jack M Rogers; Robert G Walker; Gregory P Walcott; Dennis L Rollins; William M Smith; Raymond E Ideker
Locally propagated activation immediately after internal defibrillation.
Circulation 1998;97(14):1401-10.
1998: Jack M Rogers; P V Bayly; Raymond E Ideker; William M Smith
Quantitative techniques for analyzing high-resolution cardiac-mapping data.
IEEE engineering in medicine and biology magazine : the quarterly magazine of the Engineering in Medicine & Biology Society 1998;17(1):62-72.
1997: Stephan Windecker; G Neal Kay; Bruce H Kenknight; Gregory P Walcott; William M Smith; Raymond E Ideker
The effects of ventricular fibrillation duration and a preceding unsuccessful shock on the probability of defibrillation success using biphasic waveforms in pigs.
Journal of cardiovascular electrophysiology 1997;8(12):1386-95.
1997: R A Cooper; William M Smith; Raymond E Ideker
Internal cardioversion of atrial fibrillation: marked reduction in defibrillation threshold with dual current pathways.
Circulation 1997;96(8):2693-700.
1997: JS Strobel; G Neal Kay; Gregory P Walcott; William M Smith; Raymond E Ideker
Defibrillation efficacy with endocardial electrodes is influenced by reductions in cardiac preload.
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing 1997;1(2):95-102.
1997: Jack M Rogers; M Usui; Bruce H Kenknight; Raymond E Ideker; William M Smith
Recurrent wavefront morphologies: a method for quantifying the complexity of epicardial activation patterns.
Annals of biomedical engineering 1997;25(5):761-8.
1997: Jack M Rogers; M Usui; Bruce H Kenknight; Raymond E Ideker; William M Smith
A quantitative framework for analyzing epicardial activation patterns during ventricular fibrillation.
Annals of biomedical engineering 1997;25(5):749-60.
1997: Jian Huang; Bruce H Kenknight; Gregory P Walcott; Dennis L Rollins; William M Smith; Raymond E Ideker
Effects of transvenous electrode polarity and waveform duration on the relationship between defibrillation threshold and upper limit of vulnerability.
Circulation 1997;96(4):1351-9.
1997: Xiaohong Zhou; William M Smith; Raymond E Ideker
Prevention of action potentials during extracellular electrical stimulation of long duration.
Journal of cardiovascular electrophysiology 1997;8(7):779-89.
1997: Jian Huang; Bruce H Kenknight; Gregory P Walcott; Robert G Walker; William M Smith; Raymond E Ideker
Effect of electrode polarity on internal defibrillation with monophasic and biphasic waveforms using an endocardial lead system.
Journal of cardiovascular electrophysiology 1997;8(2):161-71.
1996: X Zhou; William M Smith; Dennis L Rollins; Raymond E Ideker
Transmembrane potential changes caused by shocks in guinea pig papillary muscle.
The American journal of physiology 1996;271(6 Pt 2):H2536-46.
1996: Gregory P Walcott; Dennis L Rollins; William M Smith; Raymond E Ideker
Effect of changing capacitors between phases of a biphasic defibrillation shock.
Pacing and clinical electrophysiology : PACE 1996;19(6):945-54.
1996: M Usui; R L Callihan; Robert G Walker; Gregory P Walcott; Dennis L Rollins; Patrick D Wolf; William M Smith; Raymond E Ideker
Epicardial sock mapping following monophasic and biphasic shocks of equal voltage with an endocardial lead system.
Journal of cardiovascular electrophysiology 1996;7(4):322-34.
1996: M Usui; Gregory P Walcott; S A Strickberger; Dennis L Rollins; William M Smith; Raymond E Ideker
Effects of polarity for monophasic and biphasic shocks on defibrillation efficacy with an endocardial system.
Pacing and clinical electrophysiology : PACE 1996;19(1):65-71.
1995: M Usui; Gregory P Walcott; Bruce H Kenknight; Robert G Walker; Dennis L Rollins; William M Smith; Raymond E Ideker
Influence of malpositioned transvenous leads on defibrillation efficacy with and without a subcutaneous array electrode.
Pacing and clinical electrophysiology : PACE 1995;18(11):2008-16.
1995: Bruce H Kenknight; P V Bayly; R J Gerstle; Dennis L Rollins; Patrick D Wolf; William M Smith; Raymond E Ideker
Regional capture of fibrillating ventricular myocardium. Evidence of an excitable gap.
Circulation research 1995;77(4):849-55.
1995: Eckhard Alt; P C Fotuhi; R L Callihan; E Mestre; William M Smith; Raymond E Ideker
Endocardial carbon-braid electrodes. A new concept for lower defibrillation thresholds.
Circulation 1995;92(6):1627-33.
1995: Gregory P Walcott; Robert G Walker; Adam Cates; Wanda Krassowska; William M Smith; Raymond E Ideker
Choosing the optimal monophasic and biphasic waveforms for ventricular defibrillation.
Journal of cardiovascular electrophysiology 1995;6(9):737-50.
1995: X Zhou; Raymond E Ideker; T F Blitchington; William M Smith; Stephen B Knisley
Optical transmembrane potential measurements during defibrillation-strength shocks in perfused rabbit hearts.
Circulation research 1995;77(3):593-602.
1995: P V Bayly; E E Johnson; Patrick D Wolf; William M Smith; Raymond E Ideker
Predicting patterns of epicardial potentials during ventricular fibrillation.
IEEE transactions on bio-medical engineering 1995;42(9):898-907.
1995: S F Idriss; S B Melnick; Patrick D Wolf; William M Smith; Raymond E Ideker
Predicting the potential gradient field in ventricular fibrillation from shocks delivered in paced rhythm.
The American journal of physiology 1995;268(6 Pt 2):H2336-44.
1995: R E Hillsley; K D Bollacker; E V Simpson; Dennis L Rollins; M D Yarger; Patrick D Wolf; William M Smith; Raymond E Ideker
Alteration of ventricular fibrillation by propranolol and isoproterenol detected by epicardial mapping with 506 electrodes.
Journal of cardiovascular electrophysiology 1995;6(6):471-85.
1995: R L Callihan; S F Idriss; R W Dahl; Patrick D Wolf; William M Smith; Raymond E Ideker
Comparison of defibrillation probability of success curves for an endocardial lead configuration with and without an inactive epicardial patch.
Journal of the American College of Cardiology 1995;25(6):1373-9.
1995: X Zhou; Dennis L Rollins; William M Smith; Raymond E Ideker
Responses of the transmembrane potential of myocardial cells during a shock.
Journal of cardiovascular electrophysiology 1995;6(4):252-63.
1995: Eckhard Alt; P C Fotuhi; R L Callihan; Dennis L Rollins; E Mestre; M P Combs; William M Smith; Raymond E Ideker
Improved defibrillation threshold with a new epicardial carbon electrode compared with a standard epicardial titanium patch.
Circulation 1995;91(2):445-50.
1994: X Zhou; Patrick D Wolf; William M Smith; S M Blanchard; Raymond E Ideker
Effects of peroneal nerve stimulation on hypothalamic stimulation-induced ventricular arrhythmias in rabbits.
The American journal of physiology 1994;267(5 Pt 2):H2032-41.
1994: Adam Cates; Patrick D Wolf; R E Hillsley; J J Souza; William M Smith; Raymond E Ideker
The probability of defibrillation success and the incidence of postshock arrhythmia as a function of shock strength.
Pacing and clinical electrophysiology : PACE 1994;17(7):1208-17.
1994: K D Bollacker; E V Simpson; R E Hillsley; S M Blanchard; R J Gerstle; Gregory P Walcott; R L Callihan; M C King; William M Smith; Raymond E Ideker
An automated technique for identification and analysis of activation fronts in a two-dimensional electrogram array.
Computers and biomedical research, an international journal 1994;27(3):229-44.
1994: Stephen B Knisley; William M Smith; Raymond E Ideker
Prolongation and shortening of action potentials by electrical shocks in frog ventricular muscle.
The American journal of physiology 1994;266(6 Pt 2):H2348-58.
1994: J C Hsu; G Allan Johnson; William M Smith; Keith A Reimer; Raymond E Ideker
Magnetic resonance imaging of chronic myocardial infarcts in formalin-fixed human autopsy hearts.
Circulation 1994;89(5):2133-40.
1994: C Alferness; P V Bayly; Wanda Krassowska; J P Daubert; William M Smith; Raymond E Ideker
Strength-interval curves in canine myocardium at very short cycle lengths.
Pacing and clinical electrophysiology : PACE 1994;17(5 Pt 1):876-81.
1993: P V Bayly; E E Johnson; S F Idriss; Raymond E Ideker; William M Smith
Efficient electrode spacing for examining spatial organization during ventricular fibrillation.
IEEE transactions on bio-medical engineering 1993;40(10):1060-6.
1993: P V Bayly; E E Johnson; Patrick D Wolf; Henry S Greenside; William M Smith; Raymond E Ideker
A quantitative measurement of spatial order in ventricular fibrillation.
Journal of cardiovascular electrophysiology 1993;4(5):533-46.
1993: X Zhou; Patrick D Wolf; Dennis L Rollins; Y Afework; William M Smith; Raymond E Ideker
Effects of monophasic and biphasic shocks on action potentials during ventricular fibrillation in dogs.
Circulation research 1993;73(2):325-34.
1993: P A Guse; Dennis L Rollins; Wanda Krassowska; Patrick D Wolf; William M Smith; Raymond E Ideker
Effective defibrillation in pigs using interleaved and common phase sequential biphasic shocks.
Pacing and clinical electrophysiology : PACE 1993;16(8):1719-34.
1993: R E Hillsley; Robert G Walker; D K Swanson; Dennis L Rollins; Patrick D Wolf; William M Smith; Raymond E Ideker
Is the second phase of a biphasic defibrillation waveform the defibrillating phase?
Pacing and clinical electrophysiology : PACE 1993;16(7 Pt 1):1401-11.
1993: R A Cooper; C A Alferness; William M Smith; Raymond E Ideker
Internal cardioversion of atrial fibrillation in sheep.
Circulation 1993;87(5):1673-86.
1993: E V Simpson; Raymond E Ideker; C Cabo; S Yabe; X Zhou; S B Melnick; William M Smith
Evaluation of an automatic cardiac activation detector for bipolar electrograms.
Medical & biological engineering & computing 1993;31(2):118-28.
1993: R A Cooper; S T Wallenius; William M Smith; Raymond E Ideker
The effect of phase separation on biphasic waveform defibrillation.
Pacing and clinical electrophysiology : PACE 1993;16(3 Pt 1):471-82.
1993: Stephen B Knisley; T F Blitchington; B C Hill; A O Grant; William M Smith; T C Pilkington; Raymond E Ideker
Optical measurements of transmembrane potential changes during electric field stimulation of ventricular cells.
Circulation research 1993;72(2):255-70.
1993: X Zhou; J P Daubert; Patrick D Wolf; William M Smith; Raymond E Ideker
Epicardial mapping of ventricular defibrillation with monophasic and biphasic shocks in dogs.
Circulation research 1993;72(1):145-60.
1992: P A Guse; Gregory P Walcott; Dennis L Rollins; William M Smith; Raymond E Ideker
Defibrillation electrode configurations developed from cardiac mapping that combine biphasic shocks with sequential timing.
American heart journal 1992;124(6):1491-500.
1992: E E Johnson; C A Alferness; Patrick D Wolf; William M Smith; Raymond E Ideker
Effect of pulse separation between two sequential biphasic shocks given over different lead configurations on ventricular defibrillation efficacy.
Circulation 1992;85(6):2267-74.
1992: A S Tang; Patrick D Wolf; Y Afework; William M Smith; Raymond E Ideker
Three-dimensional potential gradient fields generated by intracardiac catheter and cutaneous patch electrodes.
Circulation 1992;85(5):1857-64.
1992: John Marcus Wharton; Patrick D Wolf; William M Smith; Peng-Sheng Chen; D W Frazier; S Yabe; N Danieley; Raymond E Ideker
Cardiac potential and potential gradient fields generated by single, combined, and sequential shocks during ventricular defibrillation.
Circulation 1992;85(4):1510-23.
1992: Stephen B Knisley; William M Smith; Raymond E Ideker
Effect of field stimulation on cellular repolarization in rabbit myocardium. Implications for reentry induction.
Circulation research 1992;70(4):707-15.
1992: X Zhou; P Guse; Patrick D Wolf; Dennis L Rollins; William M Smith; Raymond E Ideker
Existence of both fast and slow channel activity during the early stages of ventricular fibrillation.
Circulation research 1992;70(4):773-86.
1992: K M Kavanagh; J S Kabas; Dennis L Rollins; S B Melnick; William M Smith; Raymond E Ideker
High-current stimuli to the spared epicardium of a large infarct induce ventricular tachycardia.
Circulation 1992;85(2):680-98.
1992: K M Kavanagh; J S Kabas; Dennis L Rollins; S B Melnick; William M Smith; Raymond E Ideker
Epicardial mapping of ventricular tachycardia induced by a large premature stimulus over nontransmural infarcts.
Journal of electrocardiology 1992;24 Suppl():83.
1991: J P Daubert; D W Frazier; Patrick D Wolf; M R Franz; William M Smith; Raymond E Ideker
Response of relatively refractory canine myocardium to monophasic and biphasic shocks.
Circulation 1991;84(6):2522-38.
1991: Stephen B Knisley; Y Afework; J Li; William M Smith; Raymond E Ideker
Dispersion of repolarization induced by a nonuniform shock field.
Pacing and clinical electrophysiology : PACE 1991;14(7):1148-57.
1991: X H Zhou; Stephen B Knisley; Patrick D Wolf; Dennis L Rollins; William M Smith; Raymond E Ideker
Prolongation of repolarization time by electric field stimulation with monophasic and biphasic shocks in open-chest dogs.
Circulation research 1991;68(6):1761-7.
1991: P A Guse; K M Kavanagh; C A Alferness; Patrick D Wolf; D Rollins; J Hagler; William M Smith; Raymond E Ideker
Defibrillation with low voltage using a left ventricular catheter and four cutaneous patch electrodes in dogs.
Pacing and clinical electrophysiology : PACE 1991;14(3):443-51.
1991: Raymond E Ideker; Patrick D Wolf; C Alferness; Wanda Krassowska; William M Smith
Current concepts for selecting the location, size and shape of defibrillation electrodes.
Pacing and clinical electrophysiology : PACE 1991;14(2 Pt 1):227-40.
1990: S A Feeser; A S Tang; K M Kavanagh; Dennis L Rollins; William M Smith; Patrick D Wolf; Raymond E Ideker
Strength-duration and probability of success curves for defibrillation with biphasic waveforms.
Circulation 1990;82(6):2128-41.
1990: John Marcus Wharton; V J Richard; C E Murry; E G Dixon; Keith A Reimer; J Meador; William M Smith; Raymond E Ideker
Electrophysiological effects of monophasic and biphasic stimuli in normal and infarcted dogs.
Pacing and clinical electrophysiology : PACE 1990;13(9):1158-72.
1990: Peng-Sheng Chen; Patrick D Wolf; S D Melnick; N D Danieley; William M Smith; Raymond E Ideker
Comparison of activation during ventricular fibrillation and following unsuccessful defibrillation shocks in open-chest dogs.
Circulation research 1990;66(6):1544-60.
1990: C Cabo; John Marcus Wharton; Patrick D Wolf; Raymond E Ideker; William M Smith
Activation in unipolar cardiac electrograms: a frequency analysis.
IEEE transactions on bio-medical engineering 1990;37(5):500-8.
1990: S Yabe; William M Smith; J P Daubert; Patrick D Wolf; Dennis L Rollins; Raymond E Ideker
Conduction disturbances caused by high current density electric fields.
Circulation research 1990;66(5):1190-203.
1990: Raymond E Ideker; D W Frazier; Wanda Krassowska; N Shibata; Peng-Sheng Chen; K M Kavanagh; William M Smith
Experimental evidence for autowaves in the heart.
Annals of the New York Academy of Sciences 1990;591():208-18.
1989: S M Blanchard; R J Damiano; William M Smith; Raymond E Ideker; James E Lowe
Interpolating unipolar epicardial potentials from electrodes separated by increasing distances.
Pacing and clinical electrophysiology : PACE 1989;12(12):1938-55.
1989: K M Kavanagh; A S Tang; Dennis L Rollins; William M Smith; Raymond E Ideker
Comparison of the internal defibrillation thresholds for monophasic and double and single capacitor biphasic waveforms.
Journal of the American College of Cardiology 1989;14(5):1343-9.
1989: D W Frazier; Patrick D Wolf; John Marcus Wharton; A S Tang; William M Smith; Raymond E Ideker
Stimulus-induced critical point. Mechanism for electrical initiation of reentry in normal canine myocardium.
The Journal of clinical investigation 1989;83(3):1039-52.
1989: Raymond E Ideker; William M Smith; S M Blanchard; S L Reiser; E V Simpson; Patrick D Wolf; N D Danieley
The assumptions of isochronal cardiac mapping.
Pacing and clinical electrophysiology : PACE 1989;12(3):456-78.
1989: A S Tang; S Yabe; John Marcus Wharton; M Dolker; William M Smith; Raymond E Ideker
Ventricular defibrillation using biphasic waveforms: the importance of phasic duration.
Journal of the American College of Cardiology 1989;13(1):207-14.
1989: D W Frazier; John Marcus Wharton; Patrick D Wolf; William M Smith; Raymond E Ideker
Mapping the electrical initiation of ventricular fibrillation.
Journal of electrocardiology 1989;22 Suppl():198-9.
1988: N Shibata; Peng-Sheng Chen; E G Dixon; Patrick D Wolf; N D Danieley; William M Smith; Raymond E Ideker
Epicardial activation after unsuccessful defibrillation shocks in dogs.
The American journal of physiology 1988;255(4 Pt 2):H902-9.
1988: N Shibata; Peng-Sheng Chen; E G Dixon; Patrick D Wolf; N D Danieley; William M Smith; Raymond E Ideker
Influence of shock strength and timing on induction of ventricular arrhythmias in dogs.
The American journal of physiology 1988;255(4 Pt 2):H891-901.
1988: D W Frazier; Wanda Krassowska; Peng-Sheng Chen; Patrick D Wolf; E G Dixon; William M Smith; Raymond E Ideker
Extracellular field required for excitation in three-dimensional anisotropic canine myocardium.
Circulation research 1988;63(1):147-64.
1988: D W Frazier; Wanda Krassowska; Peng-Sheng Chen; Patrick D Wolf; N D Danieley; William M Smith; Raymond E Ideker
Transmural activations and stimulus potentials in three-dimensional anisotropic canine myocardium.
Circulation research 1988;63(1):135-46.
1988: Peng-Sheng Chen; Patrick D Wolf; E G Dixon; N D Danieley; D W Frazier; William M Smith; Raymond E Ideker
Mechanism of ventricular vulnerability to single premature stimuli in open-chest dogs.
Circulation research 1988;62(6):1191-209.
1988: S J Worley; D B Mark; William M Smith; P Wolf; Robert M Califf; H C Strauss; M G Manwaring; Raymond E Ideker
Comparison of time domain and frequency domain variables from the signal-averaged electrocardiogram: a multivariable analysis.
Journal of the American College of Cardiology 1988;11(5):1041-51.
1986: Peng-Sheng Chen; N Shibata; E G Dixon; Patrick D Wolf; N D Danieley; M B Sweeney; William M Smith; Raymond E Ideker
Activation during ventricular defibrillation in open-chest dogs. Evidence of complete cessation and regeneration of ventricular fibrillation after unsuccessful shocks.
The Journal of clinical investigation 1986;77(3):810-23.