PubMed

Cardiac effects of electrical stun guns: does position of barbs contact make a difference?

Lakkireddy D, Wallick D, Verma A, Ryschon K, Kowalewski W, Wazni O, Butany J, Martin D, Tchou PJ.

Pacing Clin Electrophysiol. 2008 Apr;31(4):398-408.PMID: 18373757 [PubMed - indexed for MEDLINE]Related articles

Cardiac-resynchronization therapy in heart failure with narrow QRS complexes.

Beshai JF, Grimm RA, Nagueh SF, Baker JH 2nd, Beau SL, Greenberg SM, Pires LA, Tchou PJ; RethinQ Study Investigators.

N Engl J Med. 2007 Dec 13;357(24):2461-71. Epub 2007 Nov 6.PMID: 17986493 [PubMed - indexed for MEDLINE]Related articlesFree article

Vagal responses induced by endocardial left atrial autonomic ganglion stimulation before and after pulmonary vein antrum isolation for atrial fibrillation.

Verma A, Saliba WI, Lakkireddy D, Burkhardt JD, Cummings JE, Wazni OM, Belden WA, Thal S, Schweikert RA, Martin DO, Tchou PJ, Natale A.

Heart Rhythm. 2007 Sep;4(9):1177-82. Epub 2007 May 3.PMID: 17765618 [PubMed - indexed for MEDLINE]Related articles

Incidence of atrial arrhythmias detected by permanent pacemakers (PPM) post-pulmonary vein antrum isolation (PVAI) for atrial fibrillation (AF): correlation with symptomatic recurrence.

Verma A, Minor S, Kilicaslan F, Patel D, Hao S, Beheiry S, Lakkireddy D, Elayi SC, Cummings J, Martin DO, Burkhardt JD, Schweikert RA, Saliba W, Tchou PJ, Natale A.

J Cardiovasc Electrophysiol. 2007 Jun;18(6):601-6. Epub 2007 Apr 11.PMID: 17428271 [PubMed - indexed for MEDLINE]Related articles

Efficacy of adjuvant anterior left atrial ablation during intracardiac echocardiography-guided pulmonary vein antrum isolation for atrial fibrillation.

Verma A, Patel D, Famy T, Martin DO, Burkhardt JD, Elayi SC, Lakkireddy D, Wazni O, Cummings J, Schweikert RA, Saliba W, Tchou PJ, Natale A.

J Cardiovasc Electrophysiol. 2007 Feb;18(2):151-6.PMID: 17338763 [PubMed - indexed for MEDLINE]Related articles

Present understanding of shock polarity for internal defibrillation: the obvious and non-obvious clinical implications.

Kroll MW, Efimov IR, Tchou PJ.

Pacing Clin Electrophysiol. 2006 Aug;29(8):885-91. Review.PMID: 16923006 [PubMed - indexed for MEDLINE]Related articles

Effects of cocaine intoxication on the threshold for stun gun induction of ventricular fibrillation.

Lakkireddy D, Wallick D, Ryschon K, Chung MK, Butany J, Martin D, Saliba W, Kowalewski W, Natale A, Tchou PJ.

J Am Coll Cardiol. 2006 Aug 15;48(4):805-11. Epub 2006 Jul 25.PMID: 16904553 [PubMed - indexed for MEDLINE]Related articles

Fixed tilt or programmable pulse widths: are we creatures of habit?

Tchou PJ.

Heart Rhythm. 2006 May;3(5):542-3. Epub 2006 Mar 3. No abstract available. PMID: 16648058 [PubMed - indexed for MEDLINE]Related articles

Strategies for the safe magnetic resonance imaging of pacemaker-dependent patients.

Gimbel JR, Bailey SM, Tchou PJ, Ruggieri PM, Wilkoff BL.

Pacing Clin Electrophysiol. 2005 Oct;28(10):1041-6.PMID: 16221260 [PubMed - indexed for MEDLINE]Related articles

Reduced cardioversion thresholds for atrial fibrillation and flutter using the rectilinear biphasic waveform.

Niebauer MJ, Chung MK, Brewer JE, Tchou PJ.

J Interv Card Electrophysiol. 2005 Jul;13(2):145-50.PMID: 16133842 [PubMed - indexed for MEDLINE]Related articles

Short- and long-term success of substrate-based mapping and ablation of ventricular tachycardia in arrhythmogenic right ventricular dysplasia.

Verma A, Kilicaslan F, Schweikert RA, Tomassoni G, Rossillo A, Marrouche NF, Ozduran V, Wazni OM, Elayi SC, Saenz LC, Minor S, Cummings JE, Burkhardt JD, Hao S, Beheiry S, Tchou PJ, Natale A.

Circulation. 2005 Jun 21;111(24):3209-16. Epub 2005 Jun 13.PMID: 15956125 [PubMed - indexed for MEDLINE]Related articlesFree article

Preimplantation B-type natriuretic peptide concentration is an independent predictor of future appropriate implantable defibrillator therapies.

Verma A, Kilicaslan F, Martin DO, Minor S, Starling R, Marrouche NF, Almahammed S, Wazni OM, Duggal S, Zuzek R, Yamaji H, Cummings J, Chung MK, Tchou PJ, Natale A.

Heart. 2006 Feb;92(2):190-5. Epub 2005 May 27.PMID: 15923278 [PubMed - indexed for MEDLINE]Related articlesFree article

Catheter cryoablation of supraventricular tachycardia: results of the multicenter prospective "frosty" trial.

Friedman PL, Dubuc M, Green MS, Jackman WM, Keane DT, Marinchak RA, Nazari J, Packer DL, Skanes A, Steinberg JS, Stevenson WG, Tchou PJ, Wilber DJ, Worley SJ.

Heart Rhythm. 2004 Jul;1(2):129-38.PMID: 15851143 [PubMed - indexed for MEDLINE]Related articles

Prevalence, predictors, and mortality significance of the causative arrhythmia in patients with electrical storm.

Verma A, Kilicaslan F, Marrouche NF, Minor S, Khan M, Wazni O, Burkhardt JD, Belden WA, Cummings JE, Abdul-Karim A, Saliba W, Schweikert RA, Tchou PJ, Martin DO, Natale A.

J Cardiovasc Electrophysiol. 2004 Nov;15(11):1265-70.PMID: 15574176 [PubMed - indexed for MEDLINE]Related articles

Comparison of the rectilinear biphasic waveform with the monophasic damped sine waveform for external cardioversion of atrial fibrillation and flutter.

Niebauer MJ, Brewer JE, Chung MK, Tchou PJ.

Am J Cardiol. 2004 Jun 15;93(12):1495-9.PMID: 15194019 [PubMed - indexed for MEDLINE]Related articles

Impact of age on the outcome of pulmonary vein isolation for atrial fibrillation using circular mapping technique and cooled-tip ablation catheter:.

Bhargava M, Marrouche NF, Martin DO, Schweikert RA, Saliba W, Saad EB, Bash D, Williams-Andrews M, Rossillo A, Erciyes D, Khaykin Y, Burkhardt JD, Joseph G, Tchou PJ, Natale A.

J Cardiovasc Electrophysiol. 2004 Jan;15(1):8-13.PMID: 15028066 [PubMed - indexed for MEDLINE]Related articles

Mechanisms by which SCN5A mutation N1325S causes cardiac arrhythmias and sudden death in vivo.

Tian XL, Yong SL, Wan X, Wu L, Chung MK, Tchou PJ, Rosenbaum DS, Van Wagoner DR, Kirsch GE, Wang Q.

Cardiovasc Res. 2004 Feb 1;61(2):256-67.PMID: 14736542 [PubMed - indexed for MEDLINE]Related articlesFree article

Atrioventricular nodal fast pathway modification: mechanism for lack of ventricular rate slowing in atrial fibrillation.

Zhang Y, Bharati S, Sulayman R, Mowrey KA, Tchou PJ, Mazgalev TN.

Cardiovasc Res. 2004 Jan 1;61(1):45-55.PMID: 14732201 [PubMed - indexed for MEDLINE]Related articlesFree article

The strength-duration relationship of monophasic waveforms with varying capacitance sizes in external defibrillation.

Yamanouchi Y, Mowrey K, Mazgalev TN, Wilkoff BL, Tchou PJ.

Pacing Clin Electrophysiol. 2003 Dec;26(12):2213-8.PMID: 14675002 [PubMed - indexed for MEDLINE]Related articles

QRS duration and prediction of mortality in patients undergoing risk stratification for ventricular arrhythmias.

Kalahasti V, Nambi V, Martin DO, Lam CT, Yamada D, Wilkoff BL, Niebauer MJ, Jaeger FJ, Tchou PJ, Chung MK.

Am J Cardiol. 2003 Oct 1;92(7):798-803.PMID: 14516879 [PubMed - indexed for MEDLINE]Related articles

Percutaneous pericardial instrumentation for endo-epicardial mapping of previously failed ablations.

Schweikert RA, Saliba WI, Tomassoni G, Marrouche NF, Cole CR, Dresing TJ, Tchou PJ, Bash D, Beheiry S, Lam C, Kanagaratnam L, Natale A.

Circulation. 2003 Sep 16;108(11):1329-35. Epub 2003 Sep 2.PMID: 12952851 [PubMed - indexed for MEDLINE]Related articlesFree article

KCNQ1 mutations in patients with a family history of lethal cardiac arrhythmias and sudden death.

Chen S, Zhang L, Bryant RM, Vincent GM, Flippin M, Lee JC, Brown E, Zimmerman F, Rozich R, Szafranski P, Oberti C, Sterba R, Marangi D, Tchou PJ, Chung MK, Wang Q.

Clin Genet. 2003 Apr;63(4):273-82.PMID: 12702160 [PubMed - indexed for MEDLINE]Related articlesFree article

Three-dimensional reconstruction of pulmonary veins in patients with atrial fibrillation and controls: morphological characteristics of different veins.

Perez-Lugones A, Schvartzman PR, Schweikert R, Tchou PJ, Saliba W, Marrouche NF, Castle LW, White RD, Natale A.

Pacing Clin Electrophysiol. 2003 Jan;26(1 Pt 1):8-15.PMID: 12685134 [PubMed - indexed for MEDLINE]Related articles

SNP S1103Y in the cardiac sodium channel gene SCN5A is associated with cardiac arrhythmias and sudden death in a white family.

Chen S, Chung MK, Martin D, Rozich R, Tchou PJ, Wang Q.

J Med Genet. 2002 Dec;39(12):913-5.PMID: 12471205 [PubMed - indexed for MEDLINE]Related articlesFree article

Mechanisms of shock-induced arrhythmogenesis during acute global ischemia.

Cheng Y, Mowrey KA, Nikolski V, Tchou PJ, Efimov IR.

Am J Physiol Heart Circ Physiol. 2002 Jun;282(6):H2141-51.PMID: 12003822 [PubMed - indexed for MEDLINE]Related articlesFree article

Kinetics of defibrillation shock-induced response: design implications for the optimal defibrillation waveform.

Mowrey KA, Cheng Y, Tchou PJ, Efimov R.

Europace. 2002 Jan;4(1):27-39.PMID: 11846315 [PubMed - indexed for MEDLINE]Related articlesFree article

Optimal biphasic waveforms for internal defibrillation using a 60 muF capacitor.

Yamanouchi Y, Garrigue SX, Mowrey KA, Wilkoff BL, Tchou PJ.

Exp Clin Cardiol. 2002 Winter;7(4):188-92.PMID: 19644590 [PubMed - in process]Related articlesFree article

C-reactive protein elevation in patients with atrial arrhythmias: inflammatory mechanisms and persistence of atrial fibrillation.

Chung MK, Martin DO, Sprecher D, Wazni O, Kanderian A, Carnes CA, Bauer JA, Tchou PJ, Niebauer MJ, Natale A, Van Wagoner DR.

Circulation. 2001 Dec 11;104(24):2886-91.PMID: 11739301 [PubMed - indexed for MEDLINE]Related articlesFree article

Usefulness of midodrine in patients with severely symptomatic neurocardiogenic syncope: a randomized control study.

Perez-Lugones A, Schweikert R, Pavia S, Sra J, Akhtar M, Jaeger F, Tomassoni GF, Saliba W, Leonelli FM, Bash D, Beheiry S, Shewchik J, Tchou PJ, Natale A.

J Cardiovasc Electrophysiol. 2001 Aug;12(8):935-8.PMID: 11513446 [PubMed - indexed for MEDLINE]Related articles

His electrogram alternans reveal dual-wavefront inputs into and longitudinal dissociation within the bundle of His.

Zhang Y, Bharati S, Mowrey KA, Zhuang S, Tchou PJ, Mazgalev TN.

Circulation. 2001 Aug 14;104(7):832-8.PMID: 11502711 [PubMed - indexed for MEDLINE]Related articlesFree article

A simple method of mapping atrial premature depolarizations triggering atrial fibrillation.

Schweikert RA, Perez Lugones A, Kanagaratnam L, Tomassoni G, Beheiry S, Bash D, Pisano E, Saliba W, Tchou PJ, Natale A.

Pacing Clin Electrophysiol. 2001 Jan;24(1):22-7.PMID: 11227964 [PubMed - indexed for MEDLINE]Related articles

The mechanisms of the vulnerable window: the role of virtual electrodes and shock polarity.

Yamanouchi Y, Cheng Y, Tchou PJ, Efimov IR.

Can J Physiol Pharmacol. 2001 Jan;79(1):25-33.PMID: 11201498 [PubMed - indexed for MEDLINE]Related articles

Multicenter study of principles-based waveforms for external defibrillation.

Bain AC, Swerdlow CD, Love CJ, Ellenbogen KA, Deering TF, Brewer JE, Augostini RS, Tchou PJ.

Ann Emerg Med. 2001 Jan;37(1):5-12.PMID: 11145764 [PubMed - indexed for MEDLINE]Related articles

New approach to biphasic waveforms for internal defibrillation: fully discharging capacitors.

Yamanouchi Y, Fishler MG, Mowrey KA, Wilkoff BL, Mazgalev TN, Tchou PJ.

J Cardiovasc Electrophysiol. 2000 Aug;11(8):907-12.PMID: 10969754 [PubMed - indexed for MEDLINE]Related articles

Direct evidence of the role of virtual electrode-induced phase singularity in success and failure of defibrillation.

Efimov IR, Cheng Y, Yamanouchi Y, Tchou PJ.

J Cardiovasc Electrophysiol. 2000 Aug;11(8):861-8.PMID: 10969748 [PubMed - indexed for MEDLINE]Related articles

Voltage dependence of ICD lead polarization and the effect of iridium oxide coating.

Niebauer MJ, Yamanouchi Y, Hills D, Mowrey K, Wilkoff BL, Tchou PJ.

Pacing Clin Electrophysiol. 2000 May;23(5):818-23.PMID: 10833700 [PubMed - indexed for MEDLINE]Related articles

Surface potentials from the region of the atrioventricular node and their relation to dual pathway electrophysiology.

Mazgalev TN, Tchou PJ.

Circulation. 2000 May 2;101(17):2110-7.PMID: 10790355 [PubMed - indexed for MEDLINE]Related articlesFree article

Transthoracic cardioversion of atrial fibrillation: comparison of rectilinear biphasic versus damped sine wave monophasic shocks.

Mittal S, Ayati S, Stein KM, Schwartzman D, Cavlovich D, Tchou PJ, Markowitz SM, Slotwiner DJ, Scheiner MA, Lerman BB.

Circulation. 2000 Mar 21;101(11):1282-7.PMID: 10725288 [PubMed - indexed for MEDLINE]Related articlesFree article

Role of the differential bombardment of atrial inputs to the atrioventricular node as a factor influencing ventricular rate during high atrial rate.

Garrigue S, Tchou PJ, Mazgalev TN.

Cardiovasc Res. 1999 Nov;44(2):344-55.PMID: 10690311 [PubMed - indexed for MEDLINE]Related articlesFree article

External exponential biphasic versus monophasic shock waveform: efficacy in ventricular fibrillation of longer duration.

Yamanouchi Y, Brewer JE, Donohoo AM, Mowrey KA, Wilkoff BL, Tchou PJ.

Pacing Clin Electrophysiol. 1999 Oct;22(10):1481-7.PMID: 10588150 [PubMed - indexed for MEDLINE]Related articles

Higher energy synchronized external direct current cardioversion for refractory atrial fibrillation.

Saliba W, Juratli N, Chung MK, Niebauer MJ, Erdogan O, Trohman R, Wilkoff BL, Augostini R, Mowrey KA, Nadzam GR, Tchou PJ.

J Am Coll Cardiol. 1999 Dec;34(7):2031-4.PMID: 10588220 [PubMed - indexed for MEDLINE]Related articles

Virtual electrode-induced reexcitation: A mechanism of defibrillation.

Cheng Y, Mowrey KA, Van Wagoner DR, Tchou PJ, Efimov IR.

Circ Res. 1999 Nov 26;85(11):1056-66.PMID: 10571537 [PubMed - indexed for MEDLINE]Related articlesFree article

Comparison of a novel rectilinear biphasic waveform with a damped sine wave monophasic waveform for transthoracic ventricular defibrillation. ZOLL Investigators.

Mittal S, Ayati S, Stein KM, Knight BP, Morady F, Schwartzman D, Cavlovich D, Platia EV, Calkins H, Tchou PJ, Miller JM, Wharton JM, Sung RJ, Slotwiner DJ, Markowitz SM, Lerman BB.

J Am Coll Cardiol. 1999 Nov 1;34(5):1595-601.PMID: 10551711 [PubMed - indexed for MEDLINE]Related articles

Fully discharging phases. A new approach to biphasic waveforms for external defibrillation.

Yamanouchi Y, Brewer JE, Olson KF, Mowrey KA, Mazgalev TN, Wilkoff BL, Tchou PJ.

Circulation. 1999 Aug 24;100(8):826-31.PMID: 10458718 [PubMed - indexed for MEDLINE]Related articlesFree article

Biventricular shocking leads improve defibrillation efficacy.

Yamanouchi Y, Efimov IR, Mowrey KA, Mazgalev TN, Wilkoff BL, Tchou PJ.

J Cardiovasc Electrophysiol. 1999 Apr;10(4):561-5.PMID: 10355698 [PubMed - indexed for MEDLINE]Related articles

Autonomic modification of the atrioventricular node during atrial fibrillation: role in the slowing of ventricular rate.

Mazgalev TN, Garrigue S, Mowrey KA, Yamanouchi Y, Tchou PJ.

Circulation. 1999 Jun 1;99(21):2806-14.PMID: 10351976 [PubMed - indexed for MEDLINE]Related articlesFree article

Voltage-sensitive dye RH421 increases contractility of cardiac muscle.

Cheng Y, Van Wagoner DR, Mazgalev TN, Tchou PJ, Efimov IR.

Can J Physiol Pharmacol. 1998 Dec;76(12):1146-50.PMID: 10326837 [PubMed - indexed for MEDLINE]Related articles

Atrioventricular nodal conduction during atrial fibrillation: role of atrial input modification.

Garrigue S, Mowrey KA, Fahy G, Tchou PJ, Mazgalev TN.

Circulation. 1999 May 4;99(17):2323-33.PMID: 10226100 [PubMed - indexed for MEDLINE]Related articlesFree article

Optimal small-capacitor biphasic waveform for external defibrillation: influence of phase-1 tilt and phase-2 voltage.

Yamanouchi Y, Brewer JE, Mowrey KA, Donohoo AM, Wilkoff BL, Tchou PJ.

Circulation. 1998 Dec 1;98(22):2487-93.PMID: 9832496 [PubMed - indexed for MEDLINE]Related articlesFree article

QRS duration widening: reduced synchronization of endocardial activation or transseptal conduction time?

Mehdirad AA, Nelson SD, Love CJ, Schaal SF, Tchou PJ.

Pacing Clin Electrophysiol. 1998 Aug;21(8):1589-94.PMID: 9725158 [PubMed - indexed for MEDLINE]Related articles