Lahiri A, Srinath SC, Roshan J. Radiofrequency ablation of recurrent, drug refractory, left posterior fascicular ventricular tachycardia in a pregnant lady without the use of fluoroscopy. Indian Pacing Electrophysiol J. 2019 May-Jun;19(3):119-124. doi: 10.1016/j.ipej.2019.02.002. Epub 2019 Feb 15. PMID: 30776410; PMCID: PMC6531641.

Babu NMS, Srinath SC, Lahiri A, Chase D, John B, Roshan J. Three-dimensional echocardiography with left ventricular strain analyses helps earlier prediction of right ventricular pacing-induced cardiomyopathy. J Saudi Heart Assoc. 2018 Apr;30(2):102-107. doi: 10.1016/j.jsha.2017.06.001. Epub 2017 Jun 12. PMID: 29910580; PMCID: PMC6000885.

Jacob, J. R., Paul, A., & Alex, A. G. (2018). Devil is in the detail. BMJ case reports, 2018, bcr2017224134. https://doi.org/10.1136/bcr-2017-224134

Nathaniel Samson, Lijo Varghese, Oommen K George, George Joseph, Paul George, John Roshan Trans-catheter Device Closure of Ruptured Sinus of Valsalva Aneurysms using PDA Occluder Devices Journal of Clinical and Diagnostic Research. 2019 Oct, Vol-13(10): OC01-OC04 Link

Paul A, Alex R, Jacob JR, Yadav B. Effects of heat stroke on surface ECG: a study on clinical outcomes. Heart Asia. 2019 Jun 19;11(2):e011221. doi: 10.1136/heartasia-2019-011221. PMID: 31297165; PMCID: PMC6590991.

Noheria A, Roshan J, Kapa S, Srivathsan K, Packer DL, Asirvatham SJ. Migraine headaches following catheter ablation for atrial fibrillation. J Interv Card Electrophysiol. 2011 Apr;30(3):227-32. doi: 10.1007/s10840-010-9519-z. Epub 2010 Oct 19. PMID: 20957420.

Lahiri A, Srinath SC, Roshan J. Radiofrequency ablation of recurrent, drug refractory, left posterior fascicular ventricular tachycardia in a pregnant lady without the use of fluoroscopy. Indian Pacing Electrophysiol J. 2019 May-Jun;19(3):119-124. doi: 10.1016/j.ipej.2019.02.002. Epub 2019 Feb 15. PMID: 30776410; PMCID: PMC6531641.

Babu NMS, Srinath SC, Lahiri A, Chase D, John B, Roshan J. Three-dimensional echocardiography with left ventricular strain analyses helps earlier prediction of right ventricular pacing-induced cardiomyopathy. J Saudi Heart Assoc. 2018 Apr;30(2):102-107. doi: 10.1016/j.jsha.2017.06.001. Epub 2017 Jun 12. PMID: 29910580; PMCID: PMC6000885.

Jacob, J. R., Paul, A., & Alex, A. G. (2018). Devil is in the detail. BMJ case reports, 2018, bcr2017224134. https://doi.org/10.1136/bcr-2017-224134

Nathaniel Samson, Lijo Varghese, Oommen K George, George Joseph, Paul George, John Roshan Trans-catheter Device Closure of Ruptured Sinus of Valsalva Aneurysms using PDA Occluder Devices Journal of Clinical and Diagnostic Research. 2019 Oct, Vol-13(10): OC01-OC04 Link

Paul A, Alex R, Jacob JR, Yadav B. Effects of heat stroke on surface ECG: a study on clinical outcomes. Heart Asia. 2019 Jun 19;11(2):e011221. doi: 10.1136/heartasia-2019-011221. PMID: 31297165; PMCID: PMC6590991.

Noheria A, Roshan J, Kapa S, Srivathsan K, Packer DL, Asirvatham SJ. Migraine headaches following catheter ablation for atrial fibrillation. J Interv Card Electrophysiol. 2011 Apr;30(3):227-32. doi: 10.1007/s10840-010-9519-z. Epub 2010 Oct 19. PMID: 20957420.

Anne George Cherian, Pramitha Lankala, Jesu Krupa, John Roshan, Ventricular noncompaction and long QT syndrome – A deadly double hit for the foetus, Indian Pacing and Electrophysiology Journal, Volume 21, Issue 3, 2021, Pages 186-190, ISSN 0972-6292, https://doi.org/10.1016/j.ipej.2021.03.001.)

Manickavasagam A, Guttikonda SNR, Bootla D, Patloori SCS, Jain A, Chase D, Selvaraj R, Jacob JR. Early dose of Adenosine, postRadiofrequency abLation of accessory pathwaY in determining acute procedural Success (EARLY Study). J Cardiovasc Electrophysiol. 2023 Jan 4. doi: 10.1111/jce.15800. Epub ahead of print. PMID: 36598429.

Gopal Chandra Ghosh, Donae Elizabeth George, Anandaroop Lahiri, Prasanna Samuel, David Chase, John Roshan Jacob Prevalence of Undiagnosed Common Mental Disorders and Its Association with Quality of Life among Patients Attending the Arrhythmia Clinic of a Large Tertiary Care Hospital in Southern India Research in Cardiovascular Medicine 2017 Oct-Dec V.6(4): 29-33

Perla HT, Chandra Srinath Patloori S, Manickavasagam A, Chase D, Roshan J. Do the predictors of right ventricular pacing-induced cardiomyopathy add up? Indian Heart J. 2021 Sep-Oct;73(5):582-587. doi: 10.1016/j.ihj.2021.07.011. Epub 2021 Aug 3. PMID: 34627573; PMCID: PMC8514412.

Patloori SCS, Manickavasagam A, Dar JA, Narasaiyan H, Chase D, Roshan J. The masquerade: What is the wide complex tachycardia? Pacing Clin Electrophysiol. 2023 Apr;46(4):309-311. doi: 10.1111/pace.14672. Epub 2023 Mar 22. PMID: 36789621.

Manickavasagam A, Guttikonda SNR, Bootla D, Patloori SCS, Jain A, Chase D, Selvaraj R, Jacob JR. Early dose of Adenosine, postRadiofrequency abLation of accessory pathwaY in determining acute procedural success (EARLY study). J Cardiovasc Electrophysiol. 2023 Mar;34(3):607-614 Link

Roshan J, George OK, Vineet S, George PV, Jose VJ. Torsade de pointes in a case of pheochromocytoma--an unusual presentation of an uncommon disease. Indian Heart J. 2004 May-Jun;56(3):248-9. PMID: 15584572.

Manickavasagam A, Roshan J. Catheter ablation of pediatric ventricular arrhythmias: A work in progress. Indian Pacing Electrophysiol J. 2023 Jul-Aug;23(4):108-109. doi: 10.1016/j.ipej.2023.06.002. PMID: 37353303; PMCID: PMC10323178.

Manickavasagam A, Nair K, Patloori SCS, Chase D, Roshan J. Postpacing interval is shorter than tachycardia cycle length-What's the mechanism? J Arrhythm. 2021 Feb 1;37(2):455-457. doi: 10.1002/joa3.12514. PMID: 33850591; PMCID: PMC8021995.

Paul A, Paul A, Subhash I, Yadav B, Jacob JR, Christopher DJ, Balamugesh T. Atrial depolarization abnormalities in pulmonary sarcoidosis. Egypt Heart J. 2022 Oct 8;74(1):74. doi: 10.1186/s43044-022-00312-7. PMID: 36209309; PMCID: PMC9547766.

Dar JA, Manickavasagam A, Roshan J, Patloori SCS. Initiation of a wide complex tachycardia: What is the mechanism? Indian Pacing Electrophysiol J. 2023 Nov-Dec;23(6):216-217. doi: 10.1016/j.ipej.2023.09.001. Epub 2023 Sep 3. PMID: 37661020.

Manickavasagam A, Patloori SCS, Chase D, Roshan J. Five shades of gray in a broad QRS tachycardia. What is the mechanism? J Cardiovasc Electrophysiol. 2021 Jun;32(6):1757-1759. doi: 10.1111/jce.15067. Epub 2021 May 12. PMID: 33938092.

Lahiri A, Srinath SC, Chase D, Roshan J. Zero fluoroscopy radiofrequency ablation for Typical Atrioventricular Nodal Reentrant Tachycardia (AVNRT). Indian Pacing Electrophysiol J. 2017 Nov-Dec;17(6):180-182. doi: 10.1016/j.ipej.2017.07.011. Epub 2017 Jul 25. PMID: 29231822; PMCID: PMC5784602.

Dar JA, Manickavasagam A, Jacob JR. Syncope After Transcatheter Aortic Valve Implantation: Pace or Not? Circulation. 2023 Jan 31;147(5):442-446. doi: 10.1161/CIRCULATIONAHA.122.063176. Epub 2023 Jan 30. PMID: 36716253.

Ghosh GC, Alex AG, Jacob JR. Brugada syndrome presenting as incessant polymorphic ventricular tachycardia: a rare cause for a common outcome after cardiac arrest in a middle-aged Asian man. BMJ Case Rep. 2016 May 13;2016:bcr2016215014. doi: 10.1136/bcr-2016-215014. PMID: 27177936; PMCID: PMC4885429.

Patloori SCS, Lahiri A, Kapa S, Chase D, Roshan J. Incessant tachycardia after successful ablation of an atriofascicular pathway. Europace. 2020 Jan 1;22(1):83. doi: 10.1093/europace/euz138. PMID: 31532480.

Binu AJ, Srinath SC, Cherian KE, Jacob JR, Paul TV, Kapoor N. A Pilot Study of Electrocardiographic Features in Patients with Obesity from a Tertiary Care Centre in Southern India (Electron). Med Sci (Basel). 2022 Sep 28;10(4):56. doi: 10.3390/medsci10040056. PMID: 36278526; PMCID: PMC9589960.

Valson AT, Sundaram M, David VG, Deborah MN, Varughese S, Basu G, Mohapatra A, Alexander S, Jose J, Roshan J, Simon B, Rebekah G, Tamilarasi V, Jacob CK. Profile of incident chronic kidney disease related-mineral bone disorders in chronic kidney disease Stage 4 and 5: A hospital based cross-sectional survey. Indian J Nephrol. 2014 Mar;24(2):97-107. doi: 10.4103/0971-4065.127897. PMID: 24701042; PMCID: PMC3968617.

Roshan J, Pati PK, Lokhanwala Y. Buddy catheter--to overcome difficulty in coronary sinus cannulation. Indian Heart J. 2008 Jan-Feb;60(1):67-8. PMID: 19212030

Manickavasagam A, Patloori SCS, Narasaiyan H, Roshan J. Antidromic AVRT with changing His activation. What is the mechanism? J Electrocardiol. 2023 Nov-Dec;81:23-25. doi: 10.1016/j.jelectrocard.2023.06.008. Epub 2023 Jul 8. PMID: 37482036.

Manickavasagam A, Ahmed J, Patloori SCS, Chase D, Roshan J. Reoccurrence isn't coincidence: Repeated tachycardia termination with His refractory VPD. What is the mechanism? J Cardiovasc Electrophysiol. 2024 Jan 4. doi: 10.1111/jce.16170. Epub ahead of print. PMID: 38178361.

Paul A, Jacob JR. Electrocardiographic lead reversals. Indian Pacing Electrophysiol J. 2023 Nov-Dec;23(6):205-213. doi: 10.1016/j.ipej.2023.09.005. Epub 2023 Sep 20. PMID: 37739313; PMCID: PMC10685096.

Speedie A, Manickavasagam A, Patloori SCS, Karuppusamy R, James R, S M, Chase D, Jacob JR. Does Cardiac Arrhythmia Predict Worse Outcome in Mild or Moderate Covid-19 Infection? SN Compr Clin Med. 2023;5(1):162. doi: 10.1007/s42399-023-01497-x. Epub 2023 Jun 9. PMID: 37325161; PMCID: PMC10251310.

Parasrampuria S, Patloori SCS, Karuppusami R, Chase D, Roshan J. Cardiovascular implantable electronic device lead removal in a resource-constrained setting: A single-center experience from India. Indian Pacing Electrophysiol J. 2020 Jan-Feb;20(1):8-13. doi: 10.1016/j.ipej.2019.12.002. Epub 2019 Dec 13. PMID: 31843556; PMCID: PMC6994293.

Roshan J, Pati PK, Jose JV. Echocardiographic evaluation of ventricular dyssynchrony in patients with left bundle branch block. Indian Heart J. 2008 Nov-Dec;60(6):567-73. PMID: 19276498.

Roshan J, Nanthakumar K, Nair K, Chauhan VS. Hisian response to atrial pacing during tachycardia: understanding the physiology behind the rules. J Cardiovasc Electrophysiol. 2013 Nov;24(11):1308-10. doi: 10.1111/jce.12195. Epub 2013 Jul 11. PMID: 23844905.

Manickavasagam A, Patloori SCS, Perla HT, Chase D, Roshan J. Impact of transesophageal electrophysiological study on midterm management of pediatric tachyarrhythmias. Ann Pediatr Cardiol. 2022 Sep-Dec;15(5-6):453-458. doi: 10.4103/apc.apc_25_22. Epub 2023 Mar 1. PMID: 37152508; PMCID: PMC10158478.

Patloori SCS, Manickavasagam A, Chase D, Roshan J. Prognostic significance of accelerated ventricular response during radiofrequency ablation of premature ventricular complexes. Indian Pacing Electrophysiol J. 2020 Nov-Dec;20(6):231-236. doi: 10.1016/j.ipej.2020.05.001. Epub 2020 May 16. PMID: 32428550; PMCID: PMC7691780.

Abuissa H, Roshan J, Lim B, Asirvatham SJ. Use of the Impella microaxial blood pump for ablation of hemodynamically unstable ventricular tachycardia. J Cardiovasc Electrophysiol. 2010 Apr;21(4):458-61. doi: 10.1111/j.1540-8167.2009.01673.x. Epub 2009 Dec 21. PMID: 20039989.

Dar JA, Jacob JR. Beta Blockers in Contemporary Cardiology: Is It Better to Cast Them Out? Korean Circ J. 2024 Apr;54(4):165-171. doi: 10.4070/kcj.2023.0209. PMID: 38654562; PMCID: PMC11040266.

Jackson N, Gizurarson S, Viswanathan K, King B, Massé S, Kusha M, Porta-Sanchez A, Jacob JR, Khan F, Das M, Ha AC, Pashaei A, Vigmond E, Downar E, Nanthakumar K. Decrement Evoked Potential Mapping: Basis of a Mechanistic Strategy for Ventricular Tachycardia Ablation. Circ Arrhythm Electrophysiol. 2015 Dec;8(6):1433-42. doi: 10.1161/CIRCEP.115.003083. Epub 2015 Oct 19. PMID: 26480929.

Chacko BR, Karur GR, Connelly KA, Yan RT, Kirpalani A, Wald R, Jimenez-Juan L, Jacob JR, Deva DP, Yan AT. Left ventricular structure and diastolic function by cardiac magnetic resonance imaging in hypertrophic cardiomyopathy. Indian Heart J. 2018 Jan-Feb;70(1):75-81. doi: 10.1016/j.ihj.2016.12.021. Epub 2017 Jan 6. PMID: 29455792; PMCID: PMC5902823.

Dar JA, Narasaiyan H, Manickavasagam A, Jacob JR. Atrial overdrive pacing in a short RP tachycardia. Understanding the mechanism behind the AHHA response. Indian Pacing Electrophysiol J. 2025 Nov-Dec;25(6):463-465. doi: 10.1016/j.ipej.2025.12.016. Epub 2025 Dec 9. PMID: 41380844; PMCID: PMC12861940.