Karthik Viswanathan

Elizabeth Street
Toronto, Canada

Last Updated: 09/26/2026

Save publications for later

Sign Up

Not sure about your diagnosis?

Check Your Symptoms

Found 16 publications

Case report: a rare case of primary lung tumour with local intra-atrial invasion.

Case report: a rare case of primary lung tumour with local intra-atrial invasion.

Journal: European heart journal. Case reports

Published: February 12, 2025

Automated Quantification of Abnormal QRS Peaks From High-Resolution ECGs Predicts Late Ventricular Arrhythmias in Hypertrophic Cardiomyopathy: A 5-Year Prospective Multicenter Study.

Automated Quantification of Abnormal QRS Peaks From High-Resolution ECGs Predicts Late Ventricular Arrhythmias in Hypertrophic Cardiomyopathy: A 5-Year Prospective Multicenter Study.

Journal: Journal of the American Heart Association

Published: November 29, 2022

Microvolt QRS Alternans in Hypertrophic Cardiomyopathy: A Novel Risk Marker of Late Ventricular Arrhythmias.

Microvolt QRS Alternans in Hypertrophic Cardiomyopathy: A Novel Risk Marker of Late Ventricular Arrhythmias.

Journal: Journal of the American Heart Association

Published: December 02, 2021

Multicenter Study of Ischemic Ventricular Tachycardia Ablation With Decrement-Evoked Potential (DEEP) Mapping With Extra Stimulus.

Multicenter Study of Ischemic Ventricular Tachycardia Ablation With Decrement-Evoked Potential (DEEP) Mapping With Extra Stimulus.

Journal: JACC. Clinical electrophysiology

Published: October 19, 2017

Automated Quantification of Low-Amplitude Abnormal QRS Peaks From High-Resolution ECG Recordings Predicts Arrhythmic Events in Patients With Cardiomyopathy.

Automated Quantification of Low-Amplitude Abnormal QRS Peaks From High-Resolution ECG Recordings Predicts Arrhythmic Events in Patients With Cardiomyopathy.

Journal: Circulation. Arrhythmia and electrophysiology

Published: November 23, 2016

Evaluation of a novel high-resolution mapping system for catheter ablation of ventricular arrhythmias.

Evaluation of a novel high-resolution mapping system for catheter ablation of ventricular arrhythmias.

Journal: Heart rhythm

Published: July 19, 2016

Case report: Ablation of diffuse inter-trabecular substrate in a patient with isolated ventricular non-compaction.

Case report: Ablation of diffuse inter-trabecular substrate in a patient with isolated ventricular non-compaction.

Journal: Indian pacing and electrophysiology journal

Published: March 04, 2016

An unusual course of a pacemaker lead in congenitally corrected transposition of the great arteries.

An unusual course of a pacemaker lead in congenitally corrected transposition of the great arteries.

Journal: Indian pacing and electrophysiology journal

Published: March 04, 2016

Implantable Defibrillator Timing Windows: When Coincidence Can Be Confusing.

Implantable Defibrillator Timing Windows: When Coincidence Can Be Confusing.

Journal: Circulation. Arrhythmia and electrophysiology

Published: February 24, 2016

Rapid Device-Detected Nonsustained Ventricular Tachycardia in the Risk Stratification of Hypertrophic Cardiomyopathy.

Rapid Device-Detected Nonsustained Ventricular Tachycardia in the Risk Stratification of Hypertrophic Cardiomyopathy.

Journal: Pacing and clinical electrophysiology : PACE

Published: October 20, 2015

Decrement Evoked Potential Mapping: Basis of a Mechanistic Strategy for Ventricular Tachycardia Ablation.

Decrement Evoked Potential Mapping: Basis of a Mechanistic Strategy for Ventricular Tachycardia Ablation.

Journal: Circulation. Arrhythmia and electrophysiology

Published: January 09, 2015

To the Editor--Supernormal conduction or masked bundle branch block?

To the Editor--Supernormal conduction or masked bundle branch block?

Journal: Heart rhythm

Published: December 13, 2014

Showing 1-12 of 16

Last Updated: 09/26/2026