Dr. Krishna Kumar M.
Associate Professor
Phone :
9633675320

Clinical Fellowship in Cardiac Electrophysiology and PacingSchulich Heart Centre, Sunnybrook Health Sciences, Toronto, ON, Canada. 2012 - 2013

Postdoctoral Fellowship in Cardiac Electrophysiology and Pacing, Sree Chitra Tirunal Institute for Medical Sciences and Technology. 2010

DM Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology. 2007 to 2009

MD General Medicine, University of Kerala. 2003 to 2006

MBBS University of Kerala.1996 to 2002 ( including internship )

Associate Professor, Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India. 11 November 2018 to present.

Assistant Professor,Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India. 11 November 2015 to 10 November 2018

Assistant Professor (ADHOC), Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India. 16 July 2015 to November 2015

Assistant Professor (ADHOC), Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India. 12 February 2014 to 14 July 2015.

Specialist Department of Cardiology, Dabbous Cardiac Centre, Al Adan Hospital, Ministry of Health, Kuwait.15 September 2013 to 24 January 2014.

Clinical Fellow Division of Cardiac Electrophysiology and pacing, Department of Cardiology, Schulich Heart Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.1 July 2012 to 30 June 2013.

Senior RegistrarDepartment of Cardiology, Dabbous Cardiac Centre, Al Adan Hospital, Ministry of Health, Kuwait.6 July 2011 to 10 May 2012.

Assistant Professor (ADHOC), Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India.29 January 2011 to 10 June 2011.

Postdoctoral Fellow in Cardiac Electrophysiology and Pacing.Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India.1 January 2010 to 31 December 2010.

Gold medal winner ( Dept of General Medicine ) 2006

First prize winner in the Endocrinology quiz conducted by CMC Vellore in 2005

Interventional Cardiac electrophysiology and pacing, Interventional Cardiology

Works as part of the cardiac electrophysiology and interventional cardiology divisions. Involved in cardiac rhythm device implantation and follow up, interventional electrophysiology procedures and interventional cardiology procedures including noncoronary interventions.

Clinical Fellow in Cardiac Electrophysiology and Pacing.Division of Cardiac Electrophysiology and pacing, Department of Cardiology, Schulich Heart Centre, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.1 July 2012 to 30 June 2013.

Postdoctoral Fellow in Cardiac Electrophysiology and Pacing.Department of Cardiology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, India.1 January 2010 to 31 December 2010.

Life Member of Kerala Heart Rhythm Society of India ( KHRS )

1. Krishna Kumar Mohanan Nair, Mohammed Shurrab, Allan Skanes, Asaf Danon David Birnie, Carlos Morillo, Vijay Chauhan, Iqwal Mangat, Felix Ayala-Paredes, Jean Champagne, Isabelle Nault, Anthony Tang, Atul Verma, Ilan Lashevsky, Sheldon M. Singh, Eugene Crystal. The Prevalence and Risk Factors for Atrio-esophageal Fistula after Percutaneous Radiofrequency Catheter Ablation for Atrial Fibrillation: The Canadian Experience. JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY. 2014 Mar;39(2):139-44. http://www.ncbi.nlm.nih.gov/m/pubmed/24317916/.

2. Krishna Kumar Mohanan Nair, Harikrishnan Sivadasan Pillai, Anees Thajudeen, Kavassery Mahadevan Krishnamoorthy, Sivasankaran Sivasubramonian, Narayanan Namboodiri, Bijulal Sasidharan, Sanjay Ganapathy, Ajitkumar Varaparambil, Thomas Titus, Jaganmohan Tharakan. Immediate and Long-term Results Following Balloon Mitral Valvotomy in Patients With Atrial Fibrillation. CLINICAL CARDIOLOGY. 2012 Dec;35(12):E35-9. http://www.ncbi.nlm.nih.gov/m/pubmed/23124930/.

3. Krishna Kumar Mohanan Nair, Harikrishnan Sivadasan Pillai, Anees Thajudeen, Jaganmohan Tharakan, Thomas Titus Ajitkumar Valaparambi, Sivasankaran Sivasubramonian, Krishnamoorthy Kavassery Mahadevan, Narayanan Namboodiri, Bijulal Sasidharan, Sanjay Ganapathi. Comparative study on safety, efficacy, and midterm results of balloon mitral valvotomy performed with triple lumen and double lumen mitral valvotomy catheters. CATHETERISATION AND CARDIOVASCULAR INTERVENTIONS. 2012 Nov 15;80(6):978-86. http://www.ncbi.nlm.nih.gov/m/pubmed/22566347/.

4. Krishna Kumar Mohanan Nair, Sanjay Ganapathi, Bijulal Sasidharan, Anees Thajudeen, Harikrishnan Sivadasan Pillai, Jaganmohan Tharakan, Thomas Titus, Ajitkumar Valaparambil Kumaran, Sivasankaran Sivasubramonian, Kavassery Mahadevan Krishnamoorthy. Asymptomatic right ventricular dysfunction in surgically repaired adult tetralogy of fallot patients. ANNALS OF PEDIATRIC CARDIOLOGY. 2013; 6:24-8 http://www.ncbi.nlm.nih.gov/m/pubmed/23626431/.

5. Krishna Kumar Mohanan Nair, Harikrishnan Sivadasan Pillai, Thomas Titus, Ajitkumar Varaparambil, Sivasubramonian Sivasankaran, Kavassery Mahadevan Krishnamoorthy, Narayanan Namboodiri, Bijulal Sasidharan, Anees Thajudeen, Sanjay Ganapathy, Jaganmohan Tharakan. Persistent Pulmonary Artery Hypertension in patients undergoing Balloon Mitral Valvotomy. PULMONARY CIRCULATION. 2013;3:426-31 http://www.ncbi.nlm.nih.gov/m/pubmed/24015345/.

6. Krishna Kumar Mohanan Nair, Ajitkumar Valaparambil, Bijulal Sasidharan, Sanjay Ganapathi, Arun Gopalakrishnan, Narayanan Namboodiri, Sivasankaran Sivasubramanian, Harikrishnan Sivadasanpillai. Immediate and late clinical outcomes of balloon mitral valvotomy based on immediate post BMV mitral valve area & percentage gain in mitral valve area ??? a tertiary centre study. INDIAN HEART JOURNAL. 2018 Dec;70 Suppl 3:S338-S346. Epub 2018 Oct 6. https://www.ncbi.nlm.nih.gov/m/pubmed/30595286/.

7. Asaf Danon, Mohammed Shurrab, Krishna Kumar Mohanan Nair, Decebal Gabriel Latcu, Mauricio S. Arruda, Xu Chen, Tamas Szili-Torok, Ole Rossvol, Eric E. Wissner, Ilan Lashevsky, Eugene Crystal. Atrial fibrillation ablation using remote magnetic control and the risk of atrial esophageal fistula: International Multicenter Experience. JOURNAL OF INTERVENTIONAL CARDIAC ELECTROPHYSIOLOGY. 2015 Aug;43(2):169-74. http://www.ncbi.nlm.nih.gov/m/pubmed/25935226/.

8. Bharatraj Banavalikar, Anees Thajudeen, Narayanan Namboodiri, Krishna Kumar Mohanan Nair, Abhilash Srivilasam Pushpangadhan, Ajit Kumar Valaparambil. Long Term Effects Of Cardiac Resynchronization Therapy On Electrical Remodeling In Heart Failure - A Prospective Study. PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 13 September 2017. DOI: 10.1111/pace.13193. http://www.ncbi.nlm.nih.gov/m/pubmed/28901586/.

9. Mohammad Zubaid, Hisham Saad, Mustafa Ridha, Krishna Kumar Mohanan Nair, Wafa Rashed, Rashed Alhamdan, Fahad Alenezi, Marjan Maghami, Ali Sadek. Quality of Anticoagulation with Warfarin across Kuwait. HELLENIC JOURNAL OF CARDIOLOGY. 2013 Mar-Apr; 54(2):102-6. Coauthor (Original article) PMID - 23557609. http://www.ncbi.nlm.nih.gov/m/pubmed/23557609/.

10. Srinivasa Prasad, Narayanan Namboodiri, Anees Thajudheen, Gurbhej Singh, Mukund A. Prabhu, S.P. Abhilash, Krishna Kumar Mohanan Nair, Aamir Rashid, V.K. Ajit Kumar, Jaganmohan A. Tharakan. Flecainide challenge test: Predictors of unmasking of type 1 Brugada ECG pattern among those with non-type 1 Brugada ECG pattern. INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2016 Mar-Apr;16(2):53-8. doi: 10.1016/j.ipej.2016.06.001. Epub 2016 Jun 20. http://www.ncbi.nlm.nih.gov/m/pubmed/27676161/.

11. Srinivasa Prasad, S. Harikrishnan, G. Sanjay, S.P. Abhilash, S. Bijulal, Krishna Kumar Mohanan Nair, Jaganmohan Tharakan, V.K. Ajit Kumar. Clinical Outcomes of patients with coronary artery disease who underwent FFR evaluation of intermediate coronary lesions??? COFFRS study. INDIAN HEART JOURNAL. 2017 Jul - Aug;69(4):499-504. https://www.ncbi.nlm.nih.gov/m/pubmed/28822518/.

12. Krishna Kumar Mohanan Nair, Sanjay Ganapathi, Harikrishnan Sivadasanpillai, Sivasankaran Sivasubramanian, Ajitkumar Valaparambil, Jaganmohan Tharakan. A case of rheumatic fibrinous pericarditis. CIRCULATION: CARDIOVASCULAR IMAGING. 2016 Dec;9(12). https://www.ncbi.nlm.nih.gov/m/pubmed/27899361/.

13. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan. Narrow QRS tachycardia with RR alternans and 2:1 VA relation. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2016 Jul;27(7):872-3 . http://www.ncbi.nlm.nih.gov/m/pubmed/26766348/.

14. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan. LBBB to RBBB Tachycardia. What is the Mechanism?. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2016 Aug;27(8):998-1000 http://www.ncbi.nlm.nih.gov/m/pubmed/26915351/.

15. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan. Wide to Narrow QRS tachycardia. What is the Mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2016 Sep;27(9):1118-20. http://www.ncbi.nlm.nih.gov/m/pubmed/27037799/.

16. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Anees Thajudeen, Nilesh Patel, Ajitkumar Valaparambil, Jaganmohan Tharakan. Narrow QRS tachycardia with varying VA and RR intervals: What is the mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2016 Oct;27(10):1245-1246. http://www.ncbi.nlm.nih.gov/m/pubmed/27135861/.

17. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan. LBBB tachycardia. What is the mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2016 Nov;27(11):1360-1363. http://www.ncbi.nlm.nih.gov/m/pubmed/27422697/.

18. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Gurbhej Singh, Suji Karunakaran, Bharatraj Banavalikar, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil Response of narrow QRS tachycardia to late coupled PVC. What is the mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Mar;28(3):355-356. https://www.ncbi.nlm.nih.gov/m/pubmed/27896888/.

19. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Arunakumar Priyadarshini, Bharatraj Banavalikar, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil. Electrical cardioversion of an irregular narrow QRS tachycardia to a regular narrow QRS tachycardia. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Mar;28(3):353-354. https://www.ncbi.nlm.nih.gov/m/pubmed/27973755/.

20. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil. Observations During paraHisian Entrainment. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Apr;28(4):451-452 https://www.ncbi.nlm.nih.gov/m/pubmed/28019681/.

21. Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Krishna Chaitanya, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Paradoxical increase of stimulus to atrium interval during para-Hisian pacing. JOURNAL OF CARDIAC ELECTROPHYSIOLOGY. 2017 May;28(5):571-572. https://www.ncbi.nlm.nih.gov/m/pubmed/28181717/.

22. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Krishna Chaitanya, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil. Wide QRS tachycardia with left bundle branch block morphology. What is the mechanism?. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Jun;28(6):724-726. https://www.ncbi.nlm.nih.gov/m/pubmed/28188971/.

23. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Anees Thajudeen, Krishna Chaitanya, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Atrial entrainment during posterior fascicular ventricular tachycardia. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Jun;28(6):719-721 https://www.ncbi.nlm.nih.gov/m/pubmed/28218443/.

24. Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Ajitkumar Valaparambil. Response to Letter to Editor titled ???Para-Hisian Pacing Maneuver: a Pitfall in the Pitfall???. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Nov;28(11):E2. https://www.ncbi.nlm.nih.gov/m/pubmed/28417526/.

25. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Dibya Ranjan Behera, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Wide QRS tachycardia with RR alternans and QRS alternans. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2017 Dec;28(12):1480-1481 https://www.ncbi.nlm.nih.gov/m/pubmed/28833707/.

26. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Interesting mode of initiation of LBBB tachycardia: What is the mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2018 May;29(5):803-805. http://www.ncbi.nlm.nih.gov/m/pubmed/29345383/.

27. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Harikrishnan Sivadasanpillai, Ajitkumar Valaparambil. An interesting case of intra-Hisian Wenkebach with left bundle branch block. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2018 Jun;29(6):923-924 http://www.ncbi.nlm.nih.gov/m/pubmed/29570901/.

28. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. An interesting case of narrow QRS tachycardia with incomplete right bundle branch block morphology. What is the mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2018 Aug;29(8):1177-1180. http://www.ncbi.nlm.nih.gov/m/pubmed/29683541/.

29. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Abolition of T wave alternans in a case of Congenital Long-QT syndrome with atrial pacing. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2018 Dec;29(12):1718-1720. http://www.ncbi.nlm.nih.gov/m/pubmed/30106216/.

30. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Interesting case of dual tachycardia in a patient with surgical closure of atrial septal defect. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2018 Oct 4.doi:10.1111/jce.13769. http://www.ncbi.nlm.nih.gov/m/pubmed/30288854

31. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Mukund Prabhu, Debasish Das, Ajitkumar Valaparambil. Classical Response of Antidromic Atriofascicular Tachycardia to Premature Atrial Extrastimulus Delivered during Septal Refractoriness. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Apr 2. doi: 10.1111/jce.13931. [Epub ahead of print]. https://www.ncbi.nlm.nih.gov/m/pubmed/30938921/.

32. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. Typical AV nodal reentrant tachycardia with upper common pathway Wenkebach. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Apr 13. doi: 10.1111/jce.13948. [Epub ahead of print]. https://www.ncbi.nlm.nih.gov/m/pubmed/30980424/.

33. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish das, Ajitkumar Valaparambil. Interesting response of LBBB tachycardia to atrial extra stimulus. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 May 1. doi: 10.1111/jce.13959. https://www.ncbi.nlm.nih.gov/m/pubmed/31042334/.

34. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish das, Ajitkumar Valaparambil. Premature atrial extra stimulus on LBBB tachycardia. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 May 21. doi: 10.1111/jce.13992. https://www.ncbi.nlm.nih.gov/m/pubmed/31111579/.

35. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish das, Ajitkumar Valaparambil. Wide QRS tachycardia with left bundle branch block morphology. What are the circuits involved? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Jun 4. doi: 10.1111/jce.14009. https://www.ncbi.nlm.nih.gov/m/pubmed/31165538/.

36. Krishna Kumar Mohanan Nair, Shifas Babu Meerakutty, Narayanan Namboodiri, Ajitkumar Valaparambil. Interesting case of preexcitation masking complete AV block. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Jun 11. doi.org/10.1111/jce.14017. https://www.ncbi.nlm.nih.gov/pubmed/31187599/.

37. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. Interesting response of antidromic reentrant tachycardia to atrial extra stimulus. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Jul 8.doi: 10.1111/jce.14059. https://www.ncbi.nlm.nih.gov/pubmed/31286613/.

38. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Suji Karunakaran, Ajitkumar Valaparambil. Interesting response of narrow QRS tachycardia to early coupled ventricular extra stimulus. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Jul 16.doi: 10.1111/jce.14061. https://www.ncbi.nlm.nih.gov/pubmed/31310374/.

39. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Debasish Das, Ajitkumar Valaparambil. Response of narrow QRS tachycardia in a patient with surgical closure of atrial septal defect to atrial overdrive pacing. What is the mechanism? JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Aug 5. doi: 10.1111/jce.14099. [Epub ahead of print]. https://www.ncbi.nlm.nih.gov/m/pubmed/31379029/.

40. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. Interesting response of slow regular narrow QRS tachycardia to atrial extra stimulus. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019 Aug 8. doi: 10.1111/jce.14101. [Epub ahead of print] https://www.ncbi.nlm.nih.gov/m/pubmed/31393034/.

41. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. An Interesting case of ???trigeminal tachycardia???. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2019. doi: 10.1111/jce.14212. [Epub ahead of print].

42. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debashish Das, Ajitkumar Valaparambil. Interesting case of dual loop tachycardia in a patient with WPW syndrome. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY.2019.10.1111/jce.14304.doi:10.1111/jce.14304.https://www.ncbi.nlm.nih.gov/m/pubmed/31808204/.

43. Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Ajitkumar Valaparambil, Jaganmohan Tharakan. ECG challenge: Single or Double tachycardia? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Jul;39(7):763-4 http://www.ncbi.nlm.nih.gov/m/pubmed/26970223/.

44. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Sonali Inamdar, Ajitkumar Valaparambil, Anees Thajudeen And Jaganmohan Tharakan. Narrow QRS Tachycardia With Spontaneous Switch. What is the Mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Jul;39(7):768-70 http://www.ncbi.nlm.nih.gov/m/pubmed/27120715/.

45. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Sonali Inamdar, Ajitkumar Valaparambil, Anees Thajudeen, Jaganmohan Tharakan. Narrow QRS Tachycardia with Transition. What is the Mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Sep;39(9):1016-7 http://www.ncbi.nlm.nih.gov/pubmed/27240526/.

46. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Ramasubramanian Nallasivan, Ajitkumar Valaparambil, Anees Thajudeen And Jaganmohan Tharakan. Narrow QRS Tachycardia with RR Alternans. What Is the Mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Oct;39(10):1148-1149 http://www.ncbi.nlm.nih.gov/m/pubmed/27488966/.

47. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Anees Thajudeen, Ajitkumar Valaparambil, Jaganmohan Tharakan. Narrow QRS Tachycardia with Long RP Interval. What Is the Mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Oct;39(10):1150-1152. http://www.ncbi.nlm.nih.gov/m/pubmed/27489060/.

48. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Ajitkumar Valaparambil, Anees Thajudeen And Jaganmohan Tharakan. Narrow QRS Tachycardia with varying intervals. What Is the Mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Nov;39(11):1279-1280 http://www.ncbi.nlm.nih.gov/m/pubmed/27611829/.

49. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Syamkumar Divakaramenon, Bharatraj Banavalikar, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen And Ajitkumar Valaparambil Narrow QRS tachycardia in a patient with tachycardiomyopathy. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2016 Dec;39(12):1410-1411. https://www.ncbi.nlm.nih.gov/m/pubmed/27862033/.

50. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Response of LBBB tachycardia to an atrial premature beat. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2017 Jul;40(7):892-893 https://www.ncbi.nlm.nih.gov/m/pubmed/28543096/.

51. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Priya Giridhara, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Atrial premature beat on wide QRS tachycardia with LBBB morphology. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2017 Aug;40(8):959-961 https://www.ncbi.nlm.nih.gov/m/pubmed/28568774/.

52. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Suji Karunakaran, Priya Giridhara, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Atrial overdrive pacing during wide QRS tachycardia with RBBB morphology. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2017 Aug;40(8):962-965. https://www.ncbi.nlm.nih.gov/m/pubmed/28598506/.

53. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Dibya Ranjan Behera, Amitabh Poonia, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Bundle branch alternans with PR alternans. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2017 Sep;40(9):1030-1031. https://www.ncbi.nlm.nih.gov/m/pubmed/28703930/.

54. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Wide QRS tachycardia with RBBB morphology, right Inferior quadrant axis and 1:1 AV relation. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2018 Mar;41(3):299-301. https://www.ncbi.nlm.nih.gov/m/pubmed/29226343/

55. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Atrial overdrive pacing during LBBB tachycardia. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2018 Apr;41(4):411-413. https://www.ncbi.nlm.nih.gov/m/pubmed/29442383/.

56. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. An interesting case of wide QRS tachycardia with right bundle branch block morphology. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL, 2018 May 21. https://doi.org/10.1111/pace.13377. [Epub ahead of print] https://www.ncbi.nlm.nih.gov/m/pubmed/29781518/.

57. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Narrow QRS tachycardia with apparent concentric atrial activation pattern. What is the mechanism. PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2018 Sep;41(9):1229-1231. https://www.ncbi.nlm.nih.gov/m/pubmed/29992617/.

58. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish das, Ajitkumar Valaparambil. Interesting case of narrow QRS tachycardia. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2019 Jul;42(7):1047-1049. doi: 10.1111/pace.13705. Epub 2019 May 6. https://www.ncbi.nlm.nih.gov/m/pubmed/31037743/.

59. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish das, Ajitkumar Valaparambil. Interesting response of atriofascicular tachycardia to septal atrial premature extra stimulus. What is the mechanism? PACING AND CINICAL ELECTROPHYSIOLOGY JOURNAL. 2019 Jul;42(7):1054-1055. doi: 10.1111/pace.13733. Epub 2019 Jun 6. https://www.ncbi.nlm.nih.gov/m/pubmed/31144318/.

60. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish das, Ajitkumar Valaparambil. Discordant responses of narrow QRS tachycardia to atrial extra stimuli timed at different coupling intervals. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2019 Jun 23. doi: 10.1111/pace.13751. [Epub ahead of print] https://www.ncbi.nlm.nih.gov/m/pubmed/31231811/.

61. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. Interesting response of regular narrow QRS tachycardia to atrial overdrive pacing. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2019 Aug 20. doi: 10.1111/pace.13788. [Epub ahead of print] https://www.ncbi.nlm.nih.gov/m/pubmed/31430390/.

62. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. Interesting mode of initiation of wide QRS tachycardia with LBBB morphology. What is the mechanism? PACING AND CLINICAL ELECTROPHYSIOLOGY JOURNAL. 2019 doi: 10.1111/pace.13812. [Epub ahead of print].

63. Krishna Kumar Mohanan Nair, Singh M Singh. Radiographic findings of a persistent left-sided superior vena cava. EUROPACE. 2014 Jul;16(7):1039. http://www.ncbi.nlm.nih.gov/m/pubmed/24096961/.

64. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil. Response of narrow QRS tachycardia to premature atrial extra. What is the mechanism? INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2016 Nov - Dec;16(6):205-208. https://www.ncbi.nlm.nih.gov/m/pubmed/28401870/.

65. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil. Wide QRS tachycardia. What is the mechanism? INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2017 Jan - Feb;17(1):23-24 https://www.ncbi.nlm.nih.gov/m/pubmed/28401858/.

66. Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Ajitkumar Valaparambil. Wide QRS tachycardia in a patient with pre excitation; what are the pathways involved? Pacing maneuvers to characterize a unique pathway. INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2017 Mar - Apr;17(2):58-62. https://www.ncbi.nlm.nih.gov/m/pubmed/29072996/.

67. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Anees Thajudeen, Ajitkumar Valaparambil, Jaganmohan A Tharakan. An unusual mechanism of sustained right atrial tachycardia. INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2011 Nov; 11(6):169-72. http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3214614/.

68. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Narrow QRS tachycardia to Wide QRS tachycardia with LBBB morphology. What is the mechanism? INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2017 Jul - Aug;17(4):120-121 https://www.ncbi.nlm.nih.gov/m/pubmed/29067913/.

69. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya H, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Interesting response of narrow QRS tachycardia to premature atrial complex. What is the mechanism. INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2018 Jan - Feb;18(1):42-43. https://www.ncbi.nlm.nih.gov/m/pubmed/29183714/.

70. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Arun Gopalakrishnan, Ajitkumar Valaparambil. Radiofrequency ablation of premature ventricular contractions originating from uncommon sites of right ventricle. INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2018 Mar - Apr;18(2):84-86. https://www.ncbi.nlm.nih.gov/m/pubmed/29452255/.

71. Krishna Kumar Mohanan Nair, Arun Gopalakrishnan, Sonali Avinash Inamdar, Sanjay Ganapathi, Harikrishnan Sivadasanpillai, Sivasankaran Sivasubramonian, Ajitkumar Valaparambil, Jaganmohan Tharakan. Alternating bifid pulse - a novel -manifestation of low cardiac output states. CLINICAL MEDICINE (LONDON). 2016 Jun;16(3):297-8. doi: 10.7861/clinmedicine.16-3-297. https://www.ncbi.nlm.nih.gov/pubmed/27251925/.

72. Krishna Kumar Mohanan Nair, Arun Gopalakrishnan, Sonali Avinash Inamdar, Ajitkumar Valaparambil, T R Kapilamoorthy, Jaganmohan A Tharakan. Malignant anomalous right coronary artery associated with mid-cavitary hypertrophic obstructive cardiomyopathy. POSTGRADUATE MEDICAL JOURNAL. 2016 May;92(1087):306. https://www.ncbi.nlm.nih.gov/pubmed/26831321/.

73. Krishna Kumar Mohanan Nair, MK Suresh, D Dalus. Macrophage activation syndrome. JOURNAL OF ASSOCIATION OF PHYSICIANS OF INDIA. 2006 Mar;54:238-40. http://www.ncbi.nlm.nih.gov/m/pubmed/16800352/.

74. Krishna Kumar Mohanan Nair, Harikrishnan Sivadasan Pillai, Jaganmohan Tharakan. Reply. CLINICAL CARDIOLOGY. 2013 Jun;36(6):363-4. doi: 10.1002/clc.22120. Epub 2013 Apr 1. First Author, (letter to editor) PMID - 23553933; http://www.ncbi.nlm.nih.gov/m/pubmed/23553933/.

75. Krishna Kumar Mohanan Nair, Arun Gopalakrishnan, Sanjay Ganapathi, Harikrishnan Sivadasanpillai, Ajitkumar Valaparambil, Jaganmohan Tharakan. Arterial Discordance in Cardiac Tamponade. JOURNAL OF INVASIVE CARDIOLOGY. 2016 Oct;28(10):E124-E125. http://www.ncbi.nlm.nih.gov/m/pubmed/27526381/.

76. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Bharatraj Banavalikar, Arun Gopalakrishnan, Srinivasa Prasad, Ajitkumar Valaparambil, Jaganmohan Tharakan. Iatrogenic Pneumopericardium After Pericardiocentesis. JOURNAL OF INVASIVE CARDIOLOGY. 2016 Dec;28(12):E225-E226. https://www.ncbi.nlm.nih.gov/m/pubmed/27922814/.

77. Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Ajitkumar Valaparambil, Jaganmohan Tharakan. Narrow QRS tachycardia with AV response from 2:1 to 1:1. What is the mechanism? ACTA CARDIOLOGICA. 2017 Apr;72(2):224-225. https://www.ncbi.nlm.nih.gov/m/pubmed/28597794/.

78. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Anees Thajudeen, Ajitkumar Valaparambil. Narrow QRS tachycardia with RR alternans and QRS alternans. What is the mechanism? ACTA CARDIOLOGICA. 2017 Dec;72(6):675-676. https://www.ncbi.nlm.nih.gov/m/pubmed/28685658/.

79. Krishna Kumar Mohanan Nair, Anees Thajudeen, Narayanan Namboodiri, Ajitkumar Valaparambil. Response of narrow QRS tachycardia to a premature ventricular ectopic rhythm. What is the mechanism? ACTA CARDIOLOGICA. 2017 Oct;72(5):556-557. https://www.ncbi.nlm.nih.gov/m/pubmed/28730880/.

80. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sridhar Balaguru, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. An Unusual ???Preexcited??? Cause of Presyncope. ACTA CARDIOLOGICA 2018 Apr;73(2):195-196. https://www.ncbi.nlm.nih.gov/m/pubmed/28745109/.

81. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. Long RP tachycardia with cycle length alternans and QRS alternans. What is the mechanism?. ACTA CARDIOLOGICA 2018 Jun;73(3):301-302. https://www.ncbi.nlm.nih.gov/pubmed/28826338/.

82. Krishna Kumar Mohanan Nair, Arun Gopalakrishnan, Ajitkumar Valaparambil. Respirophasic desaturation in multivalvar rheumatic heart disease. ACTA CARDIOLOGICA. 2018 Jun 17:1-2. https://www.ncbi.nlm.nih.gov/pubmed/29909737/.

83. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Kartik Sambaturu, Ajitkumar Valaparambil. An interesting case of narrow QRS tachycardia with rightward axis. ACTA CARDIOLOGICA. 2018 Jul 5:1-2. https://www.ncbi.nlm.nih.gov/m/pubmed/29975181/.

84. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Interesting mode of initiation of slow-fast AV nodal reentrant tachycardia. ACTA CARDIOLOGICA. 2019 Jan 9:1-2. https://www.ncbi.nlm.nih.gov/m/pubmed/30624129/.

85. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. An interesting case of wide QRS tachycardia with left bundle branch block morphology. ACTA CARDIOLOGICA. 2019 Feb 21:1-2. https://www.ncbi.nlm.nih.gov/m/pubmed/30789081/.

86. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Debasish Das, Ajitkumar Valaparambil. Interesting case of 2:1 tachycardia to 1:1 tachycardia. ACTA CARDIOLOGICA. 2019 Oct 16:1-2. doi: 10.1080/00015385.2019.1677376. https://www.ncbi.nlm.nih.gov/m/pubmed/ 31617833/.

87. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil. RBBB Tachycardia with North-West Axis. What is the mechanism?. JOURNAL OF ELECTROCARDIOLOGY. 2018 Jan - Feb;51(1):121-125. https://www.ncbi.nlm.nih.gov/m/pubmed/29021090/.

88. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Arun Gopalakrishnan, Abhilash Srivilasam Pushpangadhan, Ajit Kumar Valaparambil. An unusual cause of heart failure in a young man. JOURNAL OF ELECTROCARDIOLOGY. 2018 Mar - Apr;51(2):335-337. https://www.ncbi.nlm.nih.gov/m/pubmed/29103620/.

89. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Narrow QRS tachycardia with extreme rightward axis. What is the mechanism? JOURNAL OF ELECTROCARDIOLOGY. 2018 Jul - Aug;51(4):634-636. https://www.ncbi.nlm.nih.gov/m/pubmed/29997003/.

90. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil. Interesting Case of Narrow QRS tachycardia with A-V dissociation. JOURNAL OF SAUDI HEART ASSOCIATION. 2018 Jul;30(3):294-296. https://www.ncbi.nlm.nih.gov/m/pubmed/29989041/.

91. Krishna Kumar Mohanan Nair, Sanjay Ganapathi, Sonali Inamdar, Arun Gopalakrishnan, Tirur Raman Kapilamoorthy, Ajitkumar Valaparambil. Incidentally detected right aortic arch with mirror image branching in a patient with rheumatic calcific mitral valve disease. NATIONAL MEDICAL JOURNAL OF INDIA. 2018 Jan-Feb;31(1):22-23. https://www.ncbi.nlm.nih.gov/m/pubmed/30348918/.

92. Krishna Kumar Mohanan Nair, Sanjay Ganapathy, Arun Gopalakrishnan, Ajitkumar Valaparambil. Prominent CV wave in severe Tricuspid Regurgitation. NATIONAL MEDICAL JOURNAL OF INDIA. 2018. Sep-Oct; 31(5):310. https://www.ncbi.nlm.nih.gov/pubmed/31268005/.

93. Krishna Kumar Mohanan Nair, Danon A, Valaparambil A, Koruth JS, Singh SM. Atrioesophageal fistula: a review. JOURNAL OF ATRIAL FIBRILLATION. 2015 Oct 31;8(3):1331. https://www.ncbi.nlm.nih.gov/m/pubmed/27957213/.

94. Prasad SP, Singh SM, Koruth JS, Krishna Kumar Mohanan Nair. Non-Pharmacologic Stroke Prevention For Atrial fibrillation: A Practical Review for the Practicing Cardiologist. KERALA HEART JOURNAl. 2015 May 15;5(1). http://keralaheartjournal.in/ojs/index.php/KHJ/article/view/82/.

95. Asaf Danon, Krishna Kumar Mohanan Nair, Singh M Singh. Resumption of dormant accessory pathway conduction with adenosine administration: A simple intervention to ensure successful accessory pathway ablation. EUROPACE. 2015 Jan;17(1):63. http://www.ncbi.nlm.nih.gov/m/pubmed/24973108/.

96. Sambaturu V Kartik, Arun Gopalakrishnan, A N Deepti, Krishna Kumar Mohanan Nair, Vivek V Pillai, Ajitkumar Valaparambil. Left ventricular myxoma with dynamic left ventricular outflow tract obstruction. POSTGRADUATE MEDICAL JOURNAL. 2018 Jul 24. DOI: 10.1136/postgradmedj-2018-135877.[Epub ahead of print] http://www.ncbi.nlm.nih.gov/m/pubmed/30042183/.

97. Arun Gopalakrishnan, G. Sanjay, Krishna Kumar Mohanan Nair, Sivadasanpillai Harikrishnan, Ajitkumar Valaparambil. Deleterious effects of isolated right ventricular pacing in right ventricular myocardial infarction. INTERNATIONAL JOURNAL OF CARDIOLOGY. 2016 Nov 1;222:995-996. http://www.ncbi.nlm.nih.gov/m/pubmed/27526381/

98. Arun Gopalakrishnan, Krishna Kumar Mohanan Nair, S. Harikrishnan, Ajitkumar Valaparambil An Unusual Case of Persistent Severe Pulmonary Artery Hypertension Following Balloon Mitral Valvuloplasty. JOURNAL OF HEART VALVE DISEASE. 2016 Mar;25(2):195-197. https://www.ncbi.nlm.nih.gov/m/pubmed/27989066/.

99. Arun Gopalakrishnan, Kavassery Mahadevan Krishnamoorthy, Krishna Kumar Mohanan Nair, Ajitkumar Valaparambil. Management of patients with transposition of the great arteries and intact interventricular septum. EUROPEAN JOURNAL OF CARDIO-THORACIC SURGERY. 2017 Jul 1;52(1):201. https://www.ncbi.nlm.nih.gov/pubmed/28444376/.

100. Bharatraj Banavalikar, Sivasankaran Sivasubramanian, Narayanan Namboodiri, Krishna Kumar Mohanan Nair, Dibya Ranjan Behera, Ajitkumar Valaparambil. Takatsubo Syndrome Presenting as Syncope in a Patient with Permanent Pacemaker. JOURNAL OF ELECTROCARDIOLOGY. 2017 Sep ??? Oct;50(5):690-693. https://www.ncbi.nlm.nih.gov/pubmed/28645448/.

101. Arun Gopalakrishnan, Sanjay Ganapathi, Krishna Kumar Mohanan Nair, Harikrishnan Sivadasanpillai, Ajitkumar Valaparambil. Coronary Artery Ectasia ??? The Need for an Expanded Classification. JOURNAL OF ASSOCIATION OF PHYSICIANS OF INDIA. 23 July 2017;65(7):116. https://www.ncbi.nlm.nih.gov/m/pubmed/28792184/.

102. Dibya Ranjan Behera, Krishna Kumar Mohanan Nair, Bijulal Sasidharan. Ductal Aneurysm With Postsubclavian Coarctation Of Aorta In An Adult. ANNALS OF PEDIATRIC CARDIOLOGY. 2017 Aug 22];10:310-1. https://www.ncbi.nlm.nih.gov/m/pubmed/28928624/.

103. Priya Arunakumar, Krishna Kumar Mohanan Nair, Ajitkumar Valaparambil. Post operative narrow complex tachycardia presenting with low cardiac output. HEART ASIA. 2017 Dec 7;9(2):e010977 https://www.ncbi.nlm.nih.gov/m/pubmed/289259660/.

104. Arun Gopalakrishnan, Krishna Kumar Mohanan Nair, Sanjay Ganapathi. Haemodynamic challenge in non-restrictive atrial septal defect. HEART ASIA. 2018 May 17;10(2):e011014. https://www.ncbi.nlm.nih.gov/m/pubmed/29868130/.

105. Arun Gopalakrishnan, Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Ajitkumar Valaparambil. The heart in an egg shell. NATIONAL MEDICAL JOURNAL OF INDIA. 2018 Mar-Apr;31(2):123.doi:10.4103/0970-258X.253170. https://www.ncbi.nlm.nih.gov/m/pubmed/30829236/.

106. Danon A, Krishna Kumar Mohanan Nair, Koruth JS, d'Avila A, Singh S. The role of high-intensity focused ultrasound in ablation of atrial fibrillation and other cardiac arrhythmias. RESEARCH AND REPORTS IN FOCUSED ULTRASOUND. 2015 Dec 15;3:11-8.https://www.dovepress.com/the-role-of-high-intensity-focused-ultrasound-in-ablation-of-atrial-fi-peer-reviewed-article-RRFU/.

107. Anees Thajudeen, Narayanan Namboodiri, Ajit Kumar Valaparambil, Krishna Kumar Mohanan Nair, Jagan Mohan A Tharakan. Unusual Response of an Accessory Atrioventricular Connection to Adenosine. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2012 Feb;23(2):223-4 . http://www.ncbi.nlm.nih.gov/m/pubmed/21539641/.

108. Danon Asaf, Elitzur Yair, Krishna Kumar Mohanan Nair, Singh M Singh. Letter to the Editor: Stenting versus Surgery for Atrial-esophageal fistula. JOURNAL OF CARDIOVASCULAR ELECTROPHYSIOLOGY. 2014 Sep;25(9):E5. http://www.ncbi.nlm.nih.gov/m/pubmed/25066131/.

109. Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Sreevilasam Pushpangadhan Abhilash, Mukund Prabhu, Debasish Das, Ajitkumar Valaparambil. . Interesting response to ventricular overdrive pacing during regular narrow QRS tachycardia. What is the mechanism? INDIAN PACING AND ELECTROPHYSIOLOGY JOURNAL. 2019 Dec 11. pii: S0972-6292(19)30142-1. doi: 10.1016/j.ipej.2019.12.003. [Epub ahead of print]. https://www.ncbi.nlm.nih.gov/m/pubmed/31837397/.

Indian Pacing and Electrophysiology Journal

Indian Heart Journal

European Journal of Pharmacology

Article

1
Krishna Kumar Mohanan Nair, Sanjay Ganapathy, Arun Gopalakrishnan, Ajitkumar Valaparambil. (in press), Prominent CV wave in severe Tricuspid Regurgitation (in press), Natl Med J India, , Manuscript number ? NMJI_
2
Krishna Kumar Mohanan Nair, Sanjay Ganapathi, Sonali Inamdar, Arun Gopalakrishnan, Tirur Raman Kapilamoorthy, Ajitkumar Valaparambil. (in press), Incidentally detected right aortic arch with mirror image branching in a patient with rheumatic calcific mitral valve disease. (in press), Natl Med J India, , Manuscript no :nmji_169_1
3
Arun Gopalakrishnan, Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Ajitkumar Valaparambil. (in press), The heart in an egg shell. (in press), Natl Med J India, , Manuscript no :nmji_156_1
4
Arun Gopalakrishnan, Krishna Kumar Mohanan Nair, Sanjay Ganapathi., Haemodynamic challenge in non-restrictive atrial septal defect., Heart Asia, 2018, DOI: 10.1136/heartasia-20, https://www.ncbi.nlm.nih.gov/pubmed/29868130
5
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil., Interesting Case of Narrow QRS tachycardia with A-V dissociation, J Saudi Heart Assoc, 2018, https://doi.org/10.1016/j, http://www.journalofthesaudiheart.com/#/article/S1016-7315(18)30060-5/fulltext
6
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil., An interesting case of narrow QRS tachycardia with incomplete right bundle branch block morphology. What is the mechanism?, J Cardiovasc Electrophysiol, 2018, DOI: 10.1111/jce.13609, https://www.ncbi.nlm.nih.gov/pubmed/29683541
7
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Harikrishnan Sivadasanpillai, Ajitkumar Valaparambil., An interesting case of intra-Hisian Wenkebach with left bundle branch block., J Cardiovasc Electrophysiol, 2018, DOI: 10.1111/jce.13490, https://www.ncbi.nlm.nih.gov/pubmed/29570901
8
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya, Ajitkumar Valaparambil., Interesting mode of initiation of LBBB tachycardia: What is the mechanism, J Cardiovasc Electrophysiol, 2018, DOI: 10.1111/jce.13430, https://www.ncbi.nlm.nih.gov/pubmed/29345383
9
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Arun Gopalakrishnan, Ajitkumar Valaparambil., Radiofrequency ablation of premature ventricular contractions originating from uncommon sites of right ventricle., Indian Pacing Electrophysiol J, 2018, DO:10.1016/j.ipej.2018.02, https://www.ncbi.nlm.nih.gov/pubmed/29452255
10
Krishna Kumar Mohanan Nair, Narayanan Namboodiri, Hiren Kevadiya H, Sreevilasam Pushpangadhan Abhilash, Ajitkumar Valaparambil., Interesting response of narrow QRS tachycardia to premature atrial complex. What is the mechanism., Indian Pacing Electrophysiol J, 2018, DOI: 10.1016/j.ipej.2017., https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5840849/