Current Ablation Strategies for Persistent and Long-Standing Persistent Atrial Fibrillation

by Konstantinos P. Letsas, Michael Efremidis, Charalampos Charalampous, Spyros Tsikrikas, Antonios Sideris
Published 2011-01-01

Electrocardiographic and Electrophysiologic Characteristics of Ventricular Extrasystoles Arising from the Aortomitral Continuity

by Konstantinos P. Letsas, Michael Efremidis, George Kollias, Sotirios Xydonas, Antonios Sideris
Published 2011-01-01

Sudden cardiac death in the young: The emerging role of molecular autopsy

by Konstantinos P. Letsas, MD, FESC, Michael Efremidis, MD, Antonios Sideris, MD
Published 2017-03-01

Idiopathic Ventricular Tachycardia Arising From the Right Ventricular Apex

by Konstantinos P. Letsas, MD, FESC, Michael Efremidis, MD, Spyros Tsikrikas, MD, Antonios Sideris, MD
Published 2013-03-01

An uncommon cause of inappropriate ICD shock

by George Bazoukis, Konstantinos P. Letsas, Konstantinos Vlachos, Gary Tse, Dimitrios Manolatos, Antonios Sideris, Michael Efremidis, Sotirios Xydonas
Published 2020-06-01

Fasciculoventricular bypass tracts: Electrocardiographic and electrophysiologic features

by Dimitrios Asvestas, George Bazoukis, Panagiotis Mililis, Stelios Dragasis, Athanasia Megarisiotou, Konstantinos Vlachos, Antonios Sideris, Michael Efremidis, Konstantinos P. Letsas
Published 2020-06-01

Mitral Valve Prolapse and Mitral Annular Disjunction Arrhythmic Syndromes: Diagnosis, Risk Stratification and Management

by Panagioula Niarchou, Efstathia Prappa, Ioannis Liatakis, Konstantinos Vlachos, Anastasios Chatziantoniou, Eva Nyktari, Gary Tse, Michael Efremidis, Konstantinos P. Letsas
Published 2022-09-01

Contrast‐induced early repolarization pattern and ventricular fibrillation

by Ourania Kariki, Marianna Kontonika, Dimitrios Miliopoulos, George Bazoukis, Konstantinos Vlachos, Stylianos Dragasis, Aggeliki Gouziouta, Konstantinos P. Letsas, Michael Efremidis, Vassilis Voudris
Published 2021-08-01

An inappropriately–appropriate ICD therapy: What is the mechanism and what interventions can be done?

by Athanasios Saplaouras, Panagiotis Mililis, Ourania Kariki, George Bazoukis, Athena Batsouli, Vasileios Antonakos, Stylianos Dragasis, Ilias G. Patsiotis, Konstantinos P. Letsas, Michael Efremidis
Published 2023-10-01

Atrial fibrillation in hypertrophic cardiomyopathy – A contemporary mini-review

by Stylianos Dragasis, Konstantinos Vlachos, Ourania Kariki, Stavroula Koskina, Andromahi Zygouri, Ilias G. Patsiotis, Aris Anastasakis, George Athanasopoulos, Konstantinos Ritsatos, Konstantinos Letsas, Michael Efremidis
Published 2022-09-01

Atrial fibrillation and Wolff–Parkinson–White syndrome: A double blow for the cardiologist

by George Bazoukis, Elias Papasavvas, Marios Pavlou, Panagiota Georgiou, Lorentzos Kapetis, Dimitrios Patestos, Konstantinos Vlachos, Athanasios Saplaouras, Konstantinos P. Letsas, Michael Efremidis, Michalis Tsielepis
Published 2022-07-01

High risk electrocardiographic markers in Brugada syndrome

by Dimitrios Asvestas, Gary Tse, Adrian Baranchuk, George Bazoukis, Tong Liu, Athanasios Saplaouras, Panagiotis Korantzopoulos, Christina Goga, Michael Efremidis, Antonios Sideris, Konstantinos P. Letsas
Published 2018-03-01

Modern mapping and ablation of idiopathic outflow tract ventricular arrhythmias

by Stylianos Dragasis, Konstantinos Vlachos, Antonio Frontera, Panagiotis Mililis, Athanasios Saplaouras, Andromahi Zygouri, Maria Erato Zymatoura, Marianthi Kontonika, Nikolaos Kafkas, Michael Efremidis, Konstantinos P. Letsas
Published 2022-03-01

Reel syndrome—An uncommon etiology of ICD dysfunction

by George Bazoukis, George Kollias, Gary Tse, Athanasios Saplaouras, Panagiotis Mililis, Antigoni Sakellaropoulou, Angelos‐Michail Kolokathis, Dimitrios Asvestas, Michael Efremidis, Antonios Sideris, Konstantinos P. Letsas
Published 2020-03-01

High‐density mapping of de novo focal atrial tachycardias using a new software: Protected low‐voltage areas by zones of conduction delay

by Konstantinos P. Letsas, Michael Efremidis, George Bazoukis, Stylianos Dragasis, Athanasia Megarisiotou, Panagiotis Mililis, Athanasios Saplaouras, Konstantinos Vlachos, Dimitrios Asvestas, Kosmas Valkanas, Gary Tse, Antonios Sideris
Published 2020-08-01

Right ventricular outflow tract endocardial unipolar substrate mapping: implications in risk stratification of Brugada syndrome

by Konstantinos P. Letsas, Konstantinos Vlachos, Michael Efremidis, Stylianos Dragasis, Panagiotis Korantzopoulos, Gary Tse, Tong Liu, George Bazoukis, Panagioula Niarchou, Efstathia Prappa, Frederic Sacher, Meleze Hocini, Adrian Baranchuk
Published 2022-01-01

Catheter ablation of anteroseptal accessory pathways from the aortic cusps: A case series and a review of the literature

by Konstantinos P. Letsas, MD, Michael Efremidis, MD, Konstantinos Vlachos, MD, Stamatis Georgopoulos, MD, Nikolaos Karamichalakis, MD, Athanasios Saplaouras, MD, Sotirios Xydonas, MD, Kosmas Valkanas, MD, Antonios Sideris, MD
Published 2016-12-01

Impact of ranolazine on ventricular arrhythmias – A systematic review

by George Bazoukis, Gary Tse, Konstantinos P. Letsas, Costas Thomopoulos, Katerina K. Naka, Panagiotis Korantzopoulos, Xenophon Bazoukis, Paschalia Michelongona, Stamatis S. Papadatos, Konstantinos Vlachos, Tong Liu, Michael Efremidis, Adrian Baranchuk, Stavros Stavrakis, Costas Tsioufis
Published 2018-04-01

Safety of catheter ablation of atrial fibrillation without pre‐ or peri‐procedural imaging for the detection of left atrial thrombus in the era of uninterrupted anticoagulation

by Michael Efremidis, George Bazoukis, Konstantinos Vlachos, Efstathia Prappa, Athanasia Megarisiotou, Stylianos Dragasis, F. Daniel Ramirez, Felix Bourier, Panagiotis Mililis, Athanasios Saplaouras, Gary Tse, Tong Liu, Theodore Efremidis, Panagiotis Kitsoulis, Costas Thomopoulos, Antonios Sideris, Konstantinos P. Letsas
Published 2021-02-01

Adenosine-guided radiofrequency catheter ablation of atrial fibrillation: A meta-analysis of randomized control trials

by Konstantinos P. Letsas, MD, FESC, FEHRA, Stamatis Georgopoulos, MD, Michael Efremidis, MD, Tong Liu, MD, PhD, George Bazoukis, MD, MSc, Konstantinos Vlachos, MD, Nikolaos Karamichalakis, MD, Louiza Lioni, MD, Antonios Sideris, MD, Joachim R. Ehrlich, MD, FESC, FHRS, FAHA
Published 2017-08-01