Faculty profile

Krishnakumar Nair

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Associate ProfessorDepartment of MedicineUniversity of Toronto

Krishnakumar Nair

Associate Professor

Department of Medicine

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
19 publications in the last five years, latest in 2026.
Senior (last) author on 14 recent papers, a sign of leading a research group.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

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Publications

197

Citations

Collaborators

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Read how they describe their research on their University of Toronto profile.

Latest papers

Risk scores inconsistently predict sudden death and ventricular arrhythmias in repaired tetralogy of Fallot.
Heart rhythm · 2026 · senior author
Author Corrections to: "Canadian Cardiovascular Society 2022 Guidelines for Cardiovascular Interventions in Adults With Congenital Heart Disease [Canadian Journal of Cardiology Volume 38, Issue, 7, Pages 862-896. DOI:10.1016/j.cjca.2022.03.021]".
The Canadian journal of cardiology · 2026
Atrial Arrhythmia Following Extra-cardiac Fontan Surgery: Is the Arrhythmia Mechanism Characterized?
Cardiac electrophysiology clinics · 2026 · senior author

All 29 publications

29 publications.

Risk scores inconsistently predict sudden death and ventricular arrhythmias in repaired tetralogy of Fallot.

Kakarla J, Ishikita A, Suszko A, Wald R, Nair K

Heart rhythm20264 citationsSenior author

DOI: 10.1016/j.hrthm.2025.02.041 PMID: 40043861

Author Corrections to: "Canadian Cardiovascular Society 2022 Guidelines for Cardiovascular Interventions in Adults With Congenital Heart Disease [Canadian Journal of Cardiology Volume 38, Issue, 7, Pages 862-896. DOI:10.1016/j.cjca.2022.03.021]".

Marelli A, Bauchesne L, Colman J, Ducas R, Grewal J, Keir M, Khairy P, Oechslin E, Therrien J, Vonder Muhll IF, Wald RM, Silversides C, Barron DJ, Benson L, Bernier PL, Horlick E, Ibrahim R, Martucci G, Nair K, Poirier NC, Ross HJ, Baumgartner H, Daniels CJ, Gurvitz M, Roos-Hesselink JW, Kovacs AH, McLeod CJ, Mulder BJ, Warnes CA, Webb GD

The Canadian journal of cardiology2026

DOI: 10.1016/j.cjca.2026.08.014 PMID: 42727929

Atrial Arrhythmia Following Extra-cardiac Fontan Surgery: Is the Arrhythmia Mechanism Characterized?

Nayyar S, De Silva K, Benson L, Downar E, Nair K

Cardiac electrophysiology clinics2026Senior author

DOI: 10.1016/j.ccep.2026.06.001 PMID: 42580789

Biatrial Flutter in Repaired Tetralogy of Fallot: Complementary Role of Activation and Entrainment Mapping in Understanding the Mechanism of a Complex Atrial Arrhythmia.

Ahmed I, Denham NC, Nair K

JACC. Clinical electrophysiology2026Senior author

DOI: 10.1016/j.jacep.2025.10.012 PMID: 41348078

Role of subpulmonary right ventricle in sudden cardiac death in adults with congenital heart disease.

Kawada S, Chakraborty P, Kakarla J, Nanthakumar J, Mondésert B, Khairy P, Nair K

Heart rhythm20253 citationsSenior author

DOI: 10.1016/j.hrthm.2024.08.016 PMID: 39127230

"Double Capture" - a technique to differentiate narrow complex Supraventricular Tachycardias.

Woollard E, Ryan T, Yun D, Stoyanov N, Paul V, Samie R, Powell A, Gattorna T, Nair K, King B

Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing2025

DOI: 10.1007/s10840-024-01929-1 PMID: 40075022

Right Atrial Leadless Pacemaker After Glenn Repair.

Kakarla J, Ahmed I, Nair K

CJC pediatric and congenital heart disease2025Senior author

DOI: 10.1016/j.cjcpc.2024.11.004 PMID: 40470122

Incremental value of machine learning for risk prediction in tetralogy of Fallot.

Ishikita A, McIntosh C, Roche SL, Barron DJ, Oechslin E, Benson L, Nair K, Lee MM, Gritti MN, Hanneman K, Karur GR, Wald RM

Heart (British Cardiac Society)20249 citations

DOI: 10.1136/heartjnl-2023-323296 PMID: 38040450

Intracardiac Echocardiography to Assist Anatomical Isthmus Ablation in Repaired Tetralogy of Fallot Patients With Ventricular Tachycardia: Technique and Outcomes.

Denham NC, Selvaraj R, Kakarla J, Patloori SCS, Roche SL, Thorne S, Oechslin E, Massarella D, Wald R, Alonso-Gonzalez R, Silversides C, Downar E, Nair K

JACC. Advances20241 citationsSenior authorOpen Access

DOI: 10.1016/j.jacadv.2024.101329 PMID: 39493314

Arrhythmias in adult patients after Rastelli surgery: a single-centre experience.

Patloori SCS, Kawada S, Chakraborty P, Saeed Y, Denham N, Joens C, Oechslin EN, Roche SL, Silversides C, Wald RM, Alonso-Gonzalez R, Thorne S, Mondesert B, Khairy P, Selvaraj R, Nair K

Cardiology in the young20241 citationsSenior authorOpen Access

DOI: 10.1017/s1047951124026623 PMID: 39422134

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Krishnakumar Nair

Research

Latest papers

Risk scores inconsistently predict sudden death and ventricular arrhythmias in repaired tetralogy of Fallot.

Author Corrections to: "Canadian Cardiovascular Society 2022 Guidelines for Cardiovascular Interventions in Adults With Congenital Heart Disease [Canadian Journal of Cardiology Volume 38, Issue, 7, Pages 862-896. DOI:10.1016/j.cjca.2022.03.021]".

Atrial Arrhythmia Following Extra-cardiac Fontan Surgery: Is the Arrhythmia Mechanism Characterized?

Biatrial Flutter in Repaired Tetralogy of Fallot: Complementary Role of Activation and Entrainment Mapping in Understanding the Mechanism of a Complex Atrial Arrhythmia.

Role of subpulmonary right ventricle in sudden cardiac death in adults with congenital heart disease.

"Double Capture" - a technique to differentiate narrow complex Supraventricular Tachycardias.

Right Atrial Leadless Pacemaker After Glenn Repair.

Incremental value of machine learning for risk prediction in tetralogy of Fallot.

Intracardiac Echocardiography to Assist Anatomical Isthmus Ablation in Repaired Tetralogy of Fallot Patients With Ventricular Tachycardia: Technique and Outcomes.

Arrhythmias in adult patients after Rastelli surgery: a single-centre experience.

Frequent collaborators

Rachel Wald

Candice Silversides

Eugene Downar

Praloy Chakraborty

Paul Khairy

Rafael Alonso-Gonzalez

Erwin Oechslin

Sara Thorne

Kumaraswamy Nanthakumar

Louise Harris

Lee Benson

Leland Benson

Adrienne Kovacs

Eric Horlick

Lisa Albertini

Abhishek Bhaskaran

Jack Colman

Jasmine Grewal

Ariane Marelli

David Barron

Jane Heggie

Blandine Mondésert

Christopher McIntosh