Nitish Badhwar

Summary

Affiliation: University of California
Country: USA

Publications

  1. ncbi Arrhythmias in the coronary care unit
    Nitish Badhwar
    Section of Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco, CA 94143, USA
    J Intensive Care Med 27:267-89. 2012
  2. pmc Intracardiac and extracardiac markers of inflammation during atrial fibrillation
    Gregory M Marcus
    Division of Cardiology, University of California, San Francisco, CA, USA
    Heart Rhythm 7:149-54. 2010
  3. pmc Impact of advanced age on survival in patients with implantable cardioverter defibrillators
    Cara N Pellegrini
    Department of Medicine, Division of Cardiology, Section of Cardiac Electrophysiology, University of California, San Francisco, CA, USA
    Europace 10:1296-301. 2008
  4. doi Alcohol intake is significantly associated with atrial flutter in patients under 60 years of age and a shorter right atrial effective refractory period
    Gregory M Marcus
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:266-72. 2008
  5. pmc Test characteristics of neck fullness and witnessed neck pulsations in the diagnosis of typical AV nodal reentrant tachycardia
    Rahul Sakhuja
    Division of Cardiology, Massachusetts General Hospital, Boston, Massachusetts, USA
    Clin Cardiol 32:E13-8. 2009
  6. doi Impact of remote magnetic catheter navigation on ablation fluoroscopy and procedure time
    Albert M Kim
    University of California, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:1399-404. 2008
  7. pmc Protracted CRP elevation after atrial fibrillation ablation
    James M McCabe
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:1146-51. 2008
  8. pmc Randomized trial of conventional transseptal needle versus radiofrequency energy needle puncture for left atrial access (the TRAVERSE-LA study)
    Jonathan C Hsu
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco, San Francisco, CA
    J Am Heart Assoc 2:e000428. 2013
  9. doi An electrocardiographic scoring system for distinguishing right ventricular outflow tract arrhythmias in patients with arrhythmogenic right ventricular cardiomyopathy from idiopathic ventricular tachycardia
    Kurt S Hoffmayer
    Division of Cardiology, University of California, San Francisco, CA 94143 1354, USA
    Heart Rhythm 10:477-82. 2013
  10. pmc Alcohol and vagal tone as triggers for paroxysmal atrial fibrillation
    Mala C Mandyam
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, CA, USA
    Am J Cardiol 110:364-8. 2012

Detail Information

Publications34

  1. ncbi Arrhythmias in the coronary care unit
    Nitish Badhwar
    Section of Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco, CA 94143, USA
    J Intensive Care Med 27:267-89. 2012
    ..It is important for critical care specialists to understand the principles of cardiac arrhythmia diagnosis and remain current with the recent advances in the pharmacologic and non-pharmacologic management of patients with arrhythmias...
  2. pmc Intracardiac and extracardiac markers of inflammation during atrial fibrillation
    Gregory M Marcus
    Division of Cardiology, University of California, San Francisco, CA, USA
    Heart Rhythm 7:149-54. 2010
    ....
  3. pmc Impact of advanced age on survival in patients with implantable cardioverter defibrillators
    Cara N Pellegrini
    Department of Medicine, Division of Cardiology, Section of Cardiac Electrophysiology, University of California, San Francisco, CA, USA
    Europace 10:1296-301. 2008
    ..The purpose of our study is to understand the influence of age on mortality after ICD implantation...
  4. doi Alcohol intake is significantly associated with atrial flutter in patients under 60 years of age and a shorter right atrial effective refractory period
    Gregory M Marcus
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:266-72. 2008
    ..Although evidence suggests that alcohol is associated with atrial fibrillation (AF), the association between alcohol and atrial flutter (AFL) has not been examined. The mechanism connecting alcohol and atrial arrhythmias is unknown...
  5. pmc Test characteristics of neck fullness and witnessed neck pulsations in the diagnosis of typical AV nodal reentrant tachycardia
    Rahul Sakhuja
    Division of Cardiology, Massachusetts General Hospital, Boston, Massachusetts, USA
    Clin Cardiol 32:E13-8. 2009
    ..Claims in the medical literature suggest that neck fullness and witnessed neck pulsations are useful in the diagnosis of typical AV nodal reentrant tachycardia (AVNRT)...
  6. doi Impact of remote magnetic catheter navigation on ablation fluoroscopy and procedure time
    Albert M Kim
    University of California, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:1399-404. 2008
    ..Remote magnetic catheter navigation (RCN) is gaining acceptance in clinical cardiac electrophysiology, but details regarding how RCN affects procedure execution are not well characterized...
  7. pmc Protracted CRP elevation after atrial fibrillation ablation
    James M McCabe
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
    Pacing Clin Electrophysiol 31:1146-51. 2008
    ..We hypothesized that this early recurrence is due to an inflammatory response to the ablation itself. We therefore sought to evaluate levels of CRP after AF ablation...
  8. pmc Randomized trial of conventional transseptal needle versus radiofrequency energy needle puncture for left atrial access (the TRAVERSE-LA study)
    Jonathan C Hsu
    Section of Cardiac Electrophysiology, Division of Cardiology, Department of Medicine, University of California, San Francisco, San Francisco, CA
    J Am Heart Assoc 2:e000428. 2013
    ..We sought to investigate the comparative effectiveness of an RF versus conventional needle for transseptal LA access...
  9. doi An electrocardiographic scoring system for distinguishing right ventricular outflow tract arrhythmias in patients with arrhythmogenic right ventricular cardiomyopathy from idiopathic ventricular tachycardia
    Kurt S Hoffmayer
    Division of Cardiology, University of California, San Francisco, CA 94143 1354, USA
    Heart Rhythm 10:477-82. 2013
    ..We previously reported electrocardiogram characteristics during outflow tract ventricular arrhythmias that helped distinguish VT related to ARVD/C from idiopathic VT...
  10. pmc Alcohol and vagal tone as triggers for paroxysmal atrial fibrillation
    Mala C Mandyam
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, CA, USA
    Am J Cardiol 110:364-8. 2012
    ..Alcohol and vagal triggers often were found in the same patients with PAF, raising the possibility that alcohol may precipitate AF by vagal mechanisms...
  11. pmc A first-degree family history in lone atrial fibrillation patients
    Gregory M Marcus
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
    Heart Rhythm 5:826-30. 2008
    ..A family history of AF in lone AF patients has not previously been compared with a family history of patients with AF and established risk factors (non-lone AF)...
  12. doi Prospective observations in the clinical and electrophysiological characteristics of intra-isthmus reentry
    Yanfei Yang
    University of California San Francisco, San Francisco, California 94143 1354, USA
    J Cardiovasc Electrophysiol 21:1099-106. 2010
    ..Intra-isthmus reentry (IIR) is a circuit within the cavotricuspid isthmus (CTI). The purpose of this study is to prospectively define the electrogram and surface ECG characteristics of IIR, and its clinical implications...
  13. ncbi Safety of new oral anticoagulants for patients undergoing atrial fibrillation ablation
    Gevorg Stepanyan
    Division of Cardiology, Department of Medicine, University of California, San Francisco, 500 Parnassus Avenue, MU, San Francisco, CA, 94143, USA
    J Interv Card Electrophysiol 40:33-8. 2014
    ..However, there is limited data regarding use around catheter ablation (CA) procedures...
  14. pmc Differences in accessory pathway location by sex and race
    Jonathan C Hsu
    University of California, San Francisco, CA, USA
    Heart Rhythm 7:52-6. 2010
    ..The etiology of accessory pathway (AP) formation is generally unknown...
  15. doi Rates and severity of perforation from implantable cardioverter-defibrillator leads: a 4-year study
    Mintu Turakhia
    Electrophysiology Section, Division of Cardiology, Department of Medicine, University of California, Palo Alto VA Medical Center, 3801 Miranda Ave, Cardiology E2 426, Palo Alto, CA 94304 5588, USA
    J Interv Card Electrophysiol 24:47-52. 2009
    ..Although recent case reports and one small single-year observational study report a substantially increased rate of perforation with the St. Jude Riata series defibrillator lead, these results have not been externally validated...
  16. pmc Regional left atrial voltage in patients with atrial fibrillation
    Gregory M Marcus
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California 94143 1354, USA
    Heart Rhythm 4:138-44. 2007
    ..Regional differences in fibrosis, particularly related to the posterior wall and septum, may be important in atrial fibrillation (AF). Using electroanatomic mapping, voltage can be used as a measure of fibrosis...
  17. ncbi Safety of radiofrequency catheter ablation without coronary angiography in aortic cusp ventricular arrhythmias
    Kurt S Hoffmayer
    Division of Cardiology, Section of Electrophysiology, University of Wisconsin, Madison, Wisconsin
    Heart Rhythm 11:1117-21. 2014
    ..Ventricular arrhythmias (VAs) originating from the aortic root are common. Coronary angiography is typically recommended before catheter ablation to document proximity of the ablation catheter to the coronary ostia...
  18. pmc Predictors of unusual ECG characteristics in cavotricuspid isthmus-dependent atrial flutter ablation
    Kurt S Hoffmayer
    San Francisco, California San Diego, CA 94143 1354, USA
    Pacing Clin Electrophysiol 34:1251-7. 2011
    ..Objective:  Using baseline patient characteristics and echocardiography, we sought to study predictors of unusual electrocardiogram (ECG) characteristics in patients with CTI-dependent atrial flutter...
  19. ncbi Using the initial vector from surface electrocardiogram to distinguish the site of outflow tract tachycardia
    Yanfei Yang
    Department of Medicine Cardiac Electrophysiology Section, University of California, San Francisco, California 94143 1354, USA
    Pacing Clin Electrophysiol 30:891-8. 2007
    ..The purpose of this study is to determine whether initial vector force might best distinguish tachycardias arising from the right ventricular (RV) outflow tract (OT) versus aortic sinus cusps (ASCs)...
  20. doi Electrophysiologic properties of para-Hisian atrial tachycardia
    Sei Iwai
    Department of Medicine, Division of Cardiology, Cornell University Medical Center, New York, New York, USA
    Heart Rhythm 8:1245-53. 2011
    ..Para-Hisian AT arising from the apex of the triangle of Koch has been considered to be a distinct entity, characterized by unique electrophysiological properties...
  21. doi Diagnosis and ablation of multiform fascicular tachycardia
    Raphael K Sung
    Electrophysiology Section, Division of Cardiology, Department of Medicine, University of Colorado, Denver, Colorado 80045, USA
    J Cardiovasc Electrophysiol 24:297-304. 2013
    ..Fascicular tachycardia (FT) is an uncommon cause of monomorphic sustained ventricular tachycardia (VT). We describe 6 cases of FT with multiform QRS morphologies...
  22. pmc Markers of inflammation before and after curative ablation of atrial flutter
    Gregory M Marcus
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, San Francisco, California 94143 1354, USA
    Heart Rhythm 5:215-21. 2008
    ..Atrial arrhythmias are associated with inflammation. The cause and effect of the association are unknown...
  23. pmc Predictors of fluoroscopy time and procedural failure during biventricular device implantation
    Jonathan C Hsu
    Division of Cardiology, Electrophysiology Section, University of California San Francisco, CA, USA
    Am J Cardiol 110:240-5. 2012
    ..2 to 352.6, p = 0.003). In conclusion, 6 patient and operator characteristics predicted LV lead implantation difficulty measured by fluoroscopy time. LV lead implantation failed in 8% of cases, predicted only by a previous failed attempt...
  24. doi Predictors of axillary vein location for vascular access during pacemaker and defibrillator lead implantation
    Jonathan C Hsu
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California, USA
    Pacing Clin Electrophysiol 34:1585-92. 2011
    ..We sought to describe variation in axillary vein location and identify predictors of a more cranial or caudal radiographic location to facilitate blind venous cannulation...
  25. doi Remote navigation guided ablation of incessant atrial tachycardia in a patient with restricted venous access
    Albert M Kim
    UCSF Cardiac Electrophysiology, San Francisco, California 94143, USA
    J Cardiovasc Electrophysiol 20:1061-4. 2009
    ..This case demonstrates that remote navigation can facilitate the therapy of complex arrhythmias in challenging clinical situations...
  26. ncbi Impact of renal function on survival in patients with implantable cardioverter-defibrillators
    Mintu P Turakhia
    Cardiac Electrophysiology, Department of Medicine, University of California, San Francisco, California 94143 1354, USA
    Pacing Clin Electrophysiol 30:377-84. 2007
    ....
  27. ncbi Define the mechanism of the tachycardia and explain the results of para-Hisian pacing
    Takehiko Matsushita
    Section of Cardiac Electrophysiology, University of California San Francisco, 500 Parnassus Avenue, San Francisco, CA 94143 1354, USA
    J Cardiovasc Electrophysiol 15:504-5. 2004
  28. doi Idiopathic epicardial ventricular tachycardia with origin remote from vascular structures
    Cara N Pellegrini
    Department of Medicine, Cardiac Electrophysiology, San Francisco VAMC, San Francisco, CA 94121, USA
    J Electrocardiol 44:792-5. 2011
    ..Following ablation, the patient discontinued antiarrhythmic drug use and has not experienced any recurrence of VT for more than 2 1/2 years...
  29. ncbi Repeat transseptal catheterization after ablation for atrial fibrillation
    Gregory M Marcus
    Division of Cardiology, Electrophysiology Section, University of California, San Francisco, California 94143 1354, USA
    J Cardiovasc Electrophysiol 18:55-9. 2007
    ..The aim of this study was to determine the difficulty and/or success rates of repeat transseptal catheterization after left atrial ablation for AF...
  30. ncbi Atrial tachycardia arising from the coronary sinus musculature: electrophysiological characteristics and long-term outcomes of radiofrequency ablation
    Nitish Badhwar
    University of California, San Francisco, San Francisco, California 94143, USA
    J Am Coll Cardiol 46:1921-30. 2005
    ..We sought to describe the electrophysiological features and long-term outcome after radiofrequency catheter ablation (RFCA) of atrial tachycardia (AT) arising from the coronary sinus (CS) musculature...
  31. ncbi Usefulness of a ventricular extrastimulus from the summit of the ventricular septum in diagnosis of septal accessory pathway in patients with supraventricular tachycardia
    Takehiko Matsushita
    Section of Cardiac Electrophysiology, University of California San Francisco, San Francisco, California 94143, USA
    Am J Cardiol 93:643-6. 2004
    ..05). A VES during His bundle refractoriness from the RV summit increases the diagnostic yield for both the presence of an AP and its participation in the tachycardia circuit with respect to RV apical VES...
  32. ncbi Idiopathic ventricular tachycardia: Diagnosis and management
    Nitish Badhwar
    University of California, San Francisco, CA, USA
    Curr Probl Cardiol 32:7-43. 2007
    ..This review describes the clinical features, ECG recognition, and management of idiopathic monomorphic VT...
  33. doi Lithium-associated Mobitz II block: case series and review of the literature
    Ehrin J Armstrong
    Department of Medicine, Division of Cardiology, University of California, San Francisco, California 94143 0124, USA
    Pacing Clin Electrophysiol 34:e47-51. 2011
    ..Chronic lithium therapy may be associated with development of conduction block at or below the level of the atrioventricular node. Patients taking lithium should be monitored closely for development of cardiovascular complications...
  34. ncbi Role of invasive electrophysiologic testing in the evaluation and management of adult patients with focal junctional tachycardia
    Mohamed H Hamdan
    University of California, San Francisco, California 94143, USA
    Card Electrophysiol Rev 6:431-5. 2002
    ..Others recommended mapping the perinodal region and applying radiofrequency ablation at the site where catheter manipulation resulted in tachycardia termination. Using this ablative approach, the risk of AV block is around 5-10%...