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UCSF Cardiology
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Department of Medicine

Faculty Profiles

Nitish Badhwar, PhD
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500 Parnassus Avenue
San Francisco, CA 94117

Nitish Badhwar, MD is Associate Professor of Medicine and Director of Cardiac Electrophysiology Training Program. Dr. Badhwar received his medical degree from Maulana Azad Medical College (University of Delhi, India). After completing his internal medicine training from New York Hospital of Queens (affiliated with Cornell Medical School), he worked as faculty in the Department of Medicine at Hospital of St. Raphael (Yale University School of Medicine). He completed his Cardiology training at LSU and Cardiac Electrophysiology training at UCSF with Dr. Scheinman and subsequently joined the Cardiac Electrophysiology faculty at UCSF in 2003. He is a IBHRE Testamur (competency exam on pacing and defibrillation administered by Heart Rhythm Society).

Clinical Interest: Dr. Badhwar's clinical interest is in mapping and ablation of supraventricular arrhythmias including junctional variants of SVT. He is interested in clinical and technical aspects of complex catheter ablation procedures including ventricular tachycardia and atrial fibrillation. He started the epicardial ablation program at UCSF and is also working with Dr. Randall Lee in performing percutaneous epicardial left atrial appendage (LAA) ligation in patients with atrial fibrillation. He is also involved in device implantation including pacemakers, ICD and biventricular pacing for heart failure.

Research Interest: Dr. Badhwar has worked with Dr Scheinman to describe the electrophysiologic characteristics of SVTs including atrial tachycardia arising from the coronary sinus musculature, para-hisian atrial tachycardia, left sided AVNRT, junctional tachycardia and nodofascicular tachycardia. Dr. Badhwar is also collaborating with Dr. Botvinick and Dr. DeMarco in assessing left ventricular dyssynchrony as well as optimal pacing sties in patients with heart failure requiring biventricular pacing. He is also part of multicenter ECHOCRT study that is evaluating role of biventricular pacing in heart failure patients with narrow QRS. He is doing a study with Dr. Randall Lee to evaluate clinical outcomes of combining LAA ligation with percutaneous catheter ablation in patients with atrial fibrillation.

In the News

Recent Articles (89)

Sanchez JM, Al-Dosari G, Chu S, Beygui R, Deuse T, Badhwar N, Lee RJ. Hybrid and surgical procedures for the treatment of persistent and longstanding persistent atrial fibrillation. Expert Rev Cardiovasc Ther. 2018 Jan 12; 1-7.

Whitman IR, Gladstone RA, Badhwar N, Hsia HH, Lee BK, Josephson SA, Meisel KM, Dillon WP, Hess CP, Gerstenfeld EP, Marcus GM. Brain Emboli After Left Ventricular Endocardial Ablation. Circulation. 2017 Feb 28; 135(9):867-877.

Nguyen KT, Gladstone RA, Dukes JW, Nazer B, Vittinghoff E, Badhwar N, Vedantham V, Gerstenfeld EP, Lee BK, Lee RJ, Tseng ZH, Olgin JE, Scheinman MM, Marcus GM. The QT Interval as a Noninvasive Marker of Atrial Refractoriness. Pacing Clin Electrophysiol. 2016 Dec; 39(12):1366-1372.

Loughlin G, Dukes J, Badhwar N. An unusual cause of HV prolongation. HeartRhythm Case Rep. 2016 Nov; 2(6):459-461.

Badhwar N, Mittal S, Rasekh A, Vasaiwala S, Musat D, S Naeini P, Fang Q, Nentwich K, Deneke T, Chang J, Lakkireddy D, Wilber D, Lee RJ. Conversion of persistent atrial fibrillation to sinus rhythm after LAA ligation with the LARIAT device. Int J Cardiol. 2016 Dec 15; 225:120-122.

Badhwar N, James J, Hoffmayer KS, O'Connell JW, Green D, De Marco T, Botvinick EH. Utility of Equilibrium Radionuclide Angiogram-Derived Measures of Dyssynchrony to Predict Outcomes in Heart Failure Patients Undergoing Cardiac Resynchronization Therapy. J Nucl Med. 2016 Dec; 57(12):1880-1886.

Kawamura M, Scheinman MM, Tseng ZH, Lee BK, Marcus GM, Badhwar N. Comparison of remote magnetic navigation ablation and manual ablation of idiopathic ventricular arrhythmia after failed manual ablation. J Interv Card Electrophysiol. 2017 Jan; 48(1):35-42.

Whitman IR, Badhwar N. Wenckebach-Second-Degree Heart Block and the Company It Keeps. JAMA Intern Med. 2016 Mar; 176(3):382-5.

Rahman S, Oesterle AC, Badhwar N. A Subclavian Arteriovenous Fistula Associated with Implantable Cardioverter-Defibrillator Implantation. Card Electrophysiol Clin. 2016 Mar; 8(1):185-9.

Larroussi L, Badhwar N. Ventricular Tachycardia Arising from Cardiac Crux: Electrocardiogram Recognition and Site of Ablation. Card Electrophysiol Clin. 2016 Mar; 8(1):109-13.

Refaat MM, El Hage L, Steffensen AB, Hotait M, Schmitt N, Scheinman M, Badhwar N. Iron Overload Leading to Torsades de Pointes in ß-Thalassemia and Long QT Syndrome. Card Electrophysiol Clin. 2016 Mar; 8(1):247-56.

Refaat MM, Scheinman M, Badhwar N. Narrow Complex Tachycardia: What is the Mechanism? Card Electrophysiol Clin. 2016 Mar; 8(1):67-9.

Dadlani A, Dukes JW, Badhwar N. Inappropriate Implantable Cardioverter-Defibrillator Shock from QRS Double Counting in the Setting of Hyperkalemia. Card Electrophysiol Clin. 2016 Mar; 8(1):177-9.

Larroussi L, Badhwar N. Atrioventricular Nodal Reentrant Tachycardia with 2:1 Atrioventricular Block. Card Electrophysiol Clin. 2016 Mar; 8(1):51-5.

Singh DK, Badhwar N. Implantable Cardioverter-Defibrillator Shock Caused by Uncommon Variety of Nonreentrant Atrioventricular Nodal Tachycardia. Card Electrophysiol Clin. 2016 Mar; 8(1):57-60.

Gunda S, Reddy M, Nath J, Nagaraj H, Atoui M, Rasekh A, Ellis CR, Badhwar N, Lee RJ, DI Biase L, Mansour M, Ruskin JN, Natale A, Earnest M, Lakkireddy DR. Impact of Periprocedural Colchicine on Postprocedural Management in Patients Undergoing a Left Atrial Appendage Ligation Using LARIAT. J Cardiovasc Electrophysiol. 2016 Jan; 27(1):60-4.

Nazer B, Woods C, Dewland T, Moyers B, Badhwar N, Gerstenfeld EP. Importance of Ventricular Tachycardia Induction and Mapping for Patients Referred for Epicardial Ablation. Pacing Clin Electrophysiol. 2015 Nov; 38(11):1333-42.

Ito H, Kawamura M, Badhwar N, Vedantham V, Tseng ZH, Lee BK, Lee RJ, Marcus GM, Gerstenfeld EP, Scheinman MM. The Effect of Direct Current Stimulation versus T-Wave Shock on Defibrillation Threshold Testing. Pacing Clin Electrophysiol. 2015 Oct; 38(10):1173-80.

Gunda S, Reddy M, Pillarisetti J, Atoui M, Badhwar N, Swarup V, DiBiase L, Mohanty S, Mohanty P, Nagaraj H, Ellis C, Rasekh A, Cheng J, Bartus K, Lee R, Natale A, Lakkireddy D. Differences in complication rates between large bore needle and a long micropuncture needle during epicardial access: time to change clinical practice? Circ Arrhythm Electrophysiol. 2015 Aug; 8(4):890-5.

Le D, Morelli R, Badhwar N, Lee RJ. Left atrial appendage occlusion for stroke prevention in patients with atrial fibrillation. Expert Rev Cardiovasc Ther. 2015; 13(8):907-14.

Soni K, Kesarwani M, Badhwar N, Mahadevan VS. Percutaneous Closure of a Residual Left Atrial Appendage Leak After Lariat Procedure. JACC Cardiovasc Interv. 2015 Jun; 8(7):998-1000.

Kawamura M, Scheinman MM, Lee RJ, Badhwar N. Left atrial appendage ligation in patients with atrial fibrillation leads to a decrease in atrial dispersion. J Am Heart Assoc. 2015 May 14; 4(5).

Badhwar N, Lakkireddy D, Kawamura M, Han FT, Iyer SK, Moyers BS, Dewland TA, Woods C, Ferrell R, Nath J, Earnest M, Lee RJ. Sequential Percutaneous LAA Ligation and Pulmonary Vein Isolation in Patients with Persistent AF: Initial Results of a Feasibility Study. J Cardiovasc Electrophysiol. 2015 Jun; 26(6):608-14.

Pillarisetti J, Reddy YM, Gunda S, Swarup V, Lee R, Rasekh A, Horton R, Massumi A, Cheng J, Bartus K, Badhwar N, Han F, Atkins D, Bommana S, Earnest M, Nath J, Ferrell R, Bormann S, Dawn B, Di Biase L, Mansour M, Natale A, Lakkireddy D. Endocardial (Watchman) vs epicardial (Lariat) left atrial appendage exclusion devices: Understanding the differences in the location and type of leaks and their clinical implications. Heart Rhythm. 2015 Jul; 12(7):1501-7.

Johnson CJ, Roberts JD, James JH, Hoffmayer KS, Badhwar N, Ku IA, Zhao S, Naeger DM, Rao RK, O'Connell JW, De Marco T, Botvinick EH, Scheinman MM. Comparison of radionuclide angiographic synchrony analysis to echocardiography and magnetic resonance imaging for the diagnosis of arrhythmogenic right ventricular cardiomyopathy. Heart Rhythm. 2015 Jun; 12(6):1268-75.

Kawamura M, Hsu JC, Vedantham V, Marcus GM, Hsia HH, Gerstenfeld EP, Scheinman MM, Badhwar N. Clinical and electrocardiographic characteristics of idiopathic ventricular arrhythmias with right bundle branch block and superior axis: Comparison of apical crux area and posterior septal left ventricle. Heart Rhythm. 2015 Jun; 12(6):1137-44.

Rasekh A, Kar S, Nagaraj H, Badhwar N, Massumi A, Lakkireddy D. Differences in experience with a new delivery device for LAA ligation among various U.S. centers. J Am Coll Cardiol. 2015 Feb 03; 65(4):404-5.

Badhwar N, Tschopp DR, Lee RJ. Surgical and concomitant epicardial-endocardial (hybrid) ablation of persistent and long-standing persistent atrial fibrillation. Curr Probl Cardiol. 2015 Jun; 40(6):245-67.

Afzal MR, Kanmanthareddy A, Earnest M, Reddy M, Atkins D, Bommana S, Bartus K, Rasekh A, Han F, Badhwar N, Cheng J, Dibiase L, Ellis CR, Dawn B, Natale A, Lee RJ, Lakkireddy D. Impact of left atrial appendage exclusion using an epicardial ligation system (LARIAT) on atrial fibrillation burden in patients with cardiac implantable electronic devices. Heart Rhythm. 2015 Jan; 12(1):52-9.

Tandon D, Scheinman MM, Badhwar N. Presence of septal Q waves in a patient with WPW and manifest preexcitation. Ann Noninvasive Electrocardiol. 2015 May; 20(3):296-8.

Kawamura M, Gerstenfeld EP, Vedantham V, Rodrigues DM, Burkhardt JD, Kobayashi Y, Hsia HH, Marcus GM, Marchlinski FE, Scheinman MM, Badhwar N. Idiopathic ventricular arrhythmia originating from the cardiac crux or inferior septum: epicardial idiopathic ventricular arrhythmia. Circ Arrhythm Electrophysiol. 2014 Dec; 7(6):1152-8.

Hoffmayer KS, Badhwar N, Scheinman MM. Is cavotricuspid isthmus block present? Pacing Clin Electrophysiol. 2014 Sep; 37(9):1225-7.

Singh DK, Viswanathan MN, Tanel RE, Lee RJ, Lee BK, Marcus GM, Olgin JE, Han F, Vedantham V, Tseng ZH, Pellegrini C, Kawamura M, Gerstenfeld EP, Badhwar N, Scheinman M. His overdrive pacing during supraventricular tachycardia: a novel maneuver for distinguishing atrioventricular nodal reentrant tachycardia from atrioventricular reciprocating tachycardia. Heart Rhythm. 2014 Aug; 11(8):1327-35.

Hoffmayer KS, Dewland TA, Hsia HH, Badhwar N, Hsu JC, Tseng ZH, Marcus GM, Scheinman MM, Gerstenfeld EP. Safety of radiofrequency catheter ablation without coronary angiography in aortic cusp ventricular arrhythmias. Heart Rhythm. 2014 Jul; 11(7):1117-21.

Stepanyan G, Badhwar N, Lee RJ, Marcus GM, Lee BK, Tseng ZH, Vedantham V, Olgin J, Scheinman M, Gerstenfeld EP. Safety of new oral anticoagulants for patients undergoing atrial fibrillation ablation. J Interv Card Electrophysiol. 2014 Jun; 40(1):33-8.

Kawamura M, Badhwar N, Vedantham V, Tseng ZH, Lee BK, Lee RJ, Marcus GM, Olgin JE, Gerstenfeld EP, Scheinman MM. Coupling interval dispersion and body mass index are independent predictors of idiopathic premature ventricular complex-induced cardiomyopathy. J Cardiovasc Electrophysiol. 2014 Jul; 25(7):756-62.

Koneru JN, Badhwar N, Ellenbogen KA, Lee RJ. LAA ligation using the LARIAT suture delivery device: tips and tricks for a successful procedure. Heart Rhythm. 2014 May; 11(5):911-21.

Han FT, Bartus K, Lakkireddy D, Rojas F, Bednarek J, Kapelak B, Bartus M, Sadowski J, Badhwar N, Earnest M, Valderrabano M, Lee RJ. The effects of LAA ligation on LAA electrical activity. Heart Rhythm. 2014 May; 11(5):864-70.

Hsu JC, Badhwar N, Gerstenfeld EP, Lee RJ, Mandyam MC, Dewland TA, Imburgia KE, Hoffmayer KS, Vedantham V, Lee BK, Tseng ZH, Scheinman MM, Olgin JE, Marcus GM. Randomized trial of conventional transseptal needle versus radiofrequency energy needle puncture for left atrial access (the TRAVERSE-LA study). J Am Heart Assoc. 2013 Sep 17; 2(5):e000428.

Hoffmayer KS, Bhave PD, Marcus GM, James CA, Tichnell C, Chopra N, Moxey L, Krahn AD, Dixit S, Stevenson W, Calkins H, Badhwar N, Gerstenfeld EP, Scheinman MM. An electrocardiographic scoring system for distinguishing right ventricular outflow tract arrhythmias in patients with arrhythmogenic right ventricular cardiomyopathy from idiopathic ventricular tachycardia. Heart Rhythm. 2013 Apr; 10(4):477-82.

Sung RK, Kim AM, Tseng ZH, Han F, Inada K, Tedrow UB, Viswanathan MN, Badhwar N, Varosy PD, Tanel R, Olgin JE, Stephenson WG, Scheinman M. Diagnosis and ablation of multiform fascicular tachycardia. J Cardiovasc Electrophysiol. 2013 Mar; 24(3):297-304.

Mandyam MC, Vedantham V, Scheinman MM, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Gerstenfeld EP, Olgin JE, Marcus GM. Alcohol and vagal tone as triggers for paroxysmal atrial fibrillation. Am J Cardiol. 2012 Aug 01; 110(3):364-8.

Hsu JC, Badhwar N, Lee BK, Vedantham V, Tseng ZH, Marcus GM. Predictors of fluoroscopy time and procedural failure during biventricular device implantation. Am J Cardiol. 2012 Jul 15; 110(2):240-5.

Hsu JC, Friday J, Lee BK, Azadani PN, Lee RJ, Badhwar N, Tseng ZH, Olgin JE, Marcus GM. Predictors of axillary vein location for vascular access during pacemaker and defibrillator lead implantation. Pacing Clin Electrophysiol. 2011 Dec; 34(12):1585-92.

Badhwar N, Kusumoto F, Goldschlager N. Arrhythmias in the coronary care unit. J Intensive Care Med. 2012 Sep-Oct; 27(5):267-89.

Hoffmayer KS, Yang Y, Joseph S, McCabe JM, Bhave P, Hsu J, Ng RK, Lee BK, Badhwar N, Lee RJ, Tseng ZH, Olgin JE, Narayan SM, Marcus GM, Scheinman MM. Predictors of unusual ECG characteristics in cavotricuspid isthmus-dependent atrial flutter ablation. Pacing Clin Electrophysiol. 2011 Oct; 34(10):1251-7.

Pellegrini CN, Scheinman MM, Badhwar N. Idiopathic epicardial ventricular tachycardia with origin remote from vascular structures. J Electrocardiol. 2011 Nov-Dec; 44(6):792-5.

Iwai S, Badhwar N, Markowitz SM, Stambler BS, Keung E, Lee RJ, Chung JH, Olgin JE, Scheinman MM, Lerman BB. Electrophysiologic properties of para-Hisian atrial tachycardia. Heart Rhythm. 2011 Aug; 8(8):1245-53.

Di Biase L, Al-Ahamad A, Santangeli P, Hsia HH, Sanchez J, Bai R, Bailey S, Horton R, Gallinghouse GJ, Burkhardt DJ, Lakkireddy D, Yang Y, Badhwar N, Scheinman M, Tung R, Dello Russo A, Pelargonio G, Casella M, Tomassoni G, Shivkumar K, Natale A. Safety and outcomes of cryoablation for ventricular tachyarrhythmias: results from a multicenter experience. Heart Rhythm. 2011 Jul; 8(7):968-74.

Nguyen DT, Wang ZJ, Vedantham V, Badhwar N. Images in cardiovascular medicine. Odynophagia after atrial fibrillation ablation. Circulation. 2011 Mar 01; 123(8):e253-4.

Nguyen DT, Scheinman M, Badhwar N. Supraventricular tachycardia with no ventriculoatrial conduction: what is the mechanism? J Cardiovasc Electrophysiol. 2010 Dec; 21(12):1419-20.

Nguyen DT, Scheinman M, Olgin J, Badhwar N. Wenckebach during supraventricular tachycardia. Circ Arrhythm Electrophysiol. 2010 Dec; 3(6):671-3.

Yang Y, Varma N, Badhwar N, Tanel RE, Sundara S, Lee RJ, Lee BK, Tseng ZH, Marcus GM, Kim AM, Olgin JE, Scheinman MM. Prospective observations in the clinical and electrophysiological characteristics of intra-isthmus reentry. J Cardiovasc Electrophysiol. 2010 Oct; 21(10):1099-106.

Kwon DS, Badhwar N. Rare Diagnosis of a Common Supraventricular Tachycardia. Card Electrophysiol Clin. 2010 Jun; 2(2):221-224.

Nguyen DT, Badhwar N. Supraventricular Tachycardia and Atrioventricular Block. Card Electrophysiol Clin. 2010 Jun; 2(2):235-238.

Nguyen DT, Tseng ZH, Lee BK, Badhwar N. Ventricular Tachycardia After Implantable Cardioverter-Defibrillator Placement. Card Electrophysiol Clin. 2010 Jun; 2(2):277-280.

Badhwar N. Introduction to Supraventricular Tachycardia. Card Electrophysiol Clin. 2010 Jun; 2(2):179-181.

Singh D, Badhwar N. Paroxysmal Long R-P Tachycardia. Card Electrophysiol Clin. 2010 Jun; 2(2):197-201.

Viswanathan MN, Scheinman M, Badhwar N. Narrow Complex Tachycardia: What is the Mechanism? Card Electrophysiol Clin. 2010 Jun; 2(2):203-207.

Barbato G, Carinci V, Badhwar N. Tachycardia-Induced Cardiomyopathy. Card Electrophysiol Clin. 2010 Jun; 2(2):209-212.

Nguyen DT, Scheinman M, Badhwar N. Supraventricular tachycardia with alternating cycle lengths: what is the mechanism? Heart Rhythm. 2011 Mar; 8(3):478-9.

Armstrong EJ, Dubey A, Scheinman MM, Badhwar N. Lithium-associated Mobitz II block: case series and review of the literature. Pacing Clin Electrophysiol. 2011 May; 34(5):e47-51.

Botvinick EH, O'Connell JW, Badhwar N. Imaging synchrony. J Nucl Cardiol. 2009 Nov-Dec; 16(6):846-8.

Marcus GM, Smith LM, Ordovas K, Scheinman MM, Kim AM, Badhwar N, Lee RJ, Tseng ZH, Lee BK, Olgin JE. Intracardiac and extracardiac markers of inflammation during atrial fibrillation. Heart Rhythm. 2010; 7(2):149-54.

Hsu JC, Tanel RE, Lee BK, Scheinman MM, Badhwar N, Lee RJ, Tseng ZH, Olgin JE, Marcus GM. Differences in accessory pathway location by sex and race. Heart Rhythm. 2010 Jan; 7(1):52-6.

Sakhuja R, Smith LM, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Scheinman MM, Olgin JE, Marcus GM. Test characteristics of neck fullness and witnessed neck pulsations in the diagnosis of typical AV nodal reentrant tachycardia. Clin Cardiol. 2009 Aug; 32(8):E13-8.

Badhwar N, Scheinman MM. Electrophysiological diagnosis of wide complex tachycardia. Pacing Clin Electrophysiol. 2009 Apr; 32(4):473-4.

Turakhia MP, Scheinman M, Badhwar N. Wolff-Parkinson-White syndrome: where is the pathway? Indian Pacing Electrophysiol J. 2009; 9(2):130-3.

Kim AM, Badhwar N, Lee RJ. Remote navigation guided ablation of incessant atrial tachycardia in a patient with restricted venous access. J Cardiovasc Electrophysiol. 2009 Sep; 20(9):1061-4.

Badhwar N, Scheinman MM. Atrial fibrillation after atrial flutter ablation: is atrial fibrillation the primary arrhythmia? J Cardiovasc Electrophysiol. 2008 Nov; 19(11):1151-2.

Kim AM, Turakhia M, Lu J, Badhwar N, Lee BK, Lee RJ, Marcus GM, Tseng ZH, Scheinman M, Olgin JE. Impact of remote magnetic catheter navigation on ablation fluoroscopy and procedure time. Pacing Clin Electrophysiol. 2008 Nov; 31(11):1399-404.

Turakhia M, Prasad M, Olgin J, Badhwar N, Tseng ZH, Lee R, Marcus GM, Lee BK. Rates and severity of perforation from implantable cardioverter-defibrillator leads: a 4-year study. J Interv Card Electrophysiol. 2009 Jan; 24(1):47-52.

Lee KW, Badhwar N, Scheinman MM. Supraventricular tachycardia-Part II: History, presentation, mechanism, and treatment. Curr Probl Cardiol. 2008 Oct; 33(10):557-622.

Pellegrini CN, Lee K, Olgin JE, Turakhia MP, Tseng ZH, Lee R, Badhwar N, Lee B, Varosy PD. Impact of advanced age on survival in patients with implantable cardioverter defibrillators. Europace. 2008 Nov; 10(11):1296-301.

Lee KW, Badhwar N, Scheinman MM. Supraventricular tachycardia--part I. Curr Probl Cardiol. 2008 Sep; 33(9):467-546.

McCabe JM, Smith LM, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Scheinman MM, Olgin JE, Marcus GM. Protracted CRP elevation after atrial fibrillation ablation. Pacing Clin Electrophysiol. 2008 Sep; 31(9):1146-51.

Marcus GM, Smith LM, Whiteman D, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Scheinman MM, Olgin JE. Alcohol intake is significantly associated with atrial flutter in patients under 60 years of age and a shorter right atrial effective refractory period. Pacing Clin Electrophysiol. 2008 Mar; 31(3):266-72.

Marcus GM, Smith LM, Vittinghoff E, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Scheinman MM, Olgin JE. A first-degree family history in lone atrial fibrillation patients. Heart Rhythm. 2008 Jun; 5(6):826-30.

Marcus GM, Smith LM, Glidden DV, Wilson E, McCabe JM, Whiteman D, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Scheinman MM, Olgin JE. Markers of inflammation before and after curative ablation of atrial flutter. Heart Rhythm. 2008 Feb; 5(2):215-21.

Yang Y, Saenz LC, Varosy PD, Badhwar N, Tan JH, Kilicaslan F, Keung EC, Natale A, Marrouche NF, Scheinman MM. Using the initial vector from surface electrocardiogram to distinguish the site of outflow tract tachycardia. Pacing Clin Electrophysiol. 2007 Jul; 30(7):891-8.

Turakhia MP, Varosy PD, Lee K, Tseng ZH, Lee R, Badhwar N, Scheinman M, Lee BK, Olgin JE. Impact of renal function on survival in patients with implantable cardioverter-defibrillators. Pacing Clin Electrophysiol. 2007 Mar; 30(3):377-84.

Badhwar N, Scheinman MM. Idiopathic ventricular tachycardia: Diagnosis and management. Curr Probl Cardiol. 2007 Jan; 32(1):7-43.

Marcus GM, Ren X, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Foster E, Olgin JE. Repeat transseptal catheterization after ablation for atrial fibrillation. J Cardiovasc Electrophysiol. 2007 Jan; 18(1):55-9.

Marcus GM, Yang Y, Varosy PD, Ordovas K, Tseng ZH, Badhwar N, Lee BK, Lee RJ, Scheinman MM, Olgin JE. Regional left atrial voltage in patients with atrial fibrillation. Heart Rhythm. 2007 Feb; 4(2):138-44.

Badhwar N, Kalman JM, Sparks PB, Kistler PM, Attari M, Berger M, Lee RJ, Sra J, Scheinman MM. Atrial tachycardia arising from the coronary sinus musculature: electrophysiological characteristics and long-term outcomes of radiofrequency ablation. J Am Coll Cardiol. 2005 Nov 15; 46(10):1921-30.

Matsushita T, Hongo RH, Badhwar N, Scheinman MM. Define the mechanism of the tachycardia and explain the results of para-Hisian pacing. J Cardiovasc Electrophysiol. 2004 Apr; 15(4):504-5.

Matsushita T, Badhwar N, Collins KK, Van Hare GF, Barbato G, Lee BK, Lee RJ, Scheinman MM. Usefulness of a ventricular extrastimulus from the summit of the ventricular septum in diagnosis of septal accessory pathway in patients with supraventricular tachycardia. Am J Cardiol. 2004 Mar 01; 93(5):643-6.

Hamdan MH, Badhwar N, Scheinman MM. Role of invasive electrophysiologic testing in the evaluation and management of adult patients with focal junctional tachycardia. Card Electrophysiol Rev. 2002 Dec; 6(4):431-5.

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