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Doctor Johanna B Tonko

University College London, London (United Kingdom of Great Britain & Northern Ireland)

Member of:

European Society of Cardiology
European Heart Rythm Association

6-year Medical School Program in Vienna, Austria, and Université Paris Descartes, France, with clinical electives in Oviedo (Spain), Veracruz (Mexico) & Basel (Switzerland). Recipient of a scholarship of academic excellence and graduation as medical doctor (MD) in 2013. Speciality training in General Internal Medicine & Cardiology in Zurich, Switzerland, 2013-2020 with dual accreditation by the Swiss Medical Association and GMC UK. Clinical Fellow for Cardiac EP and Devices at the Guy's & St. Thomas Hospital and King's College London, UK, 2020-2021. EHRA certification in Cardiac Electrophysiology & Devices in December 2021. Clinical Research Fellow at the Centre for Translational Electrophysiology, University College London, UK, since 2022. Winner of the Mark E.Josephson Fellows Innovation Award 2023 (VT Symposium, Philadelphia, US), the Clinical YIA of the Cardiac EP Society 2024 and Eric N. Prystowsky Fellows Clinical Research Award at HRS 2024.

The two sides of the pericardial space - Omnipolar voltage and LAT differences on true epicardial vs. parietal pericardial surfaces during VT substrate mapping

Event: EHRA 2025

Topic: Ablation of Ventricular Arrhythmias

Session: Ventricular tachycardia ablation

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Impact of myocardial scar pattern on transmural repolarisation gradients in non-ischaemic VT

Event: EHRA 2025

Topic: Ablation of Ventricular Arrhythmias

Session: Imaging and arrhythmias

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Differentiating mechanisms of long duration ventricular fibrillation in acute ischemic myocardium vs. chronic infarct in an in-vivo porcine model

Event: EHRA 2025

Topic: Pathophysiology and Mechanisms

Session: Basic science and arrhythmia pathophysiology

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Vector field heterogeneity as a novel omnipolar mapping metric for functional substrate characterization in scar-related ventricular tachycardias

Event: ESC Congress 2024

Topic: Ablation of Ventricular Arrhythmias

Session: Tips and tricks in catheter ablation of ventricular arrhythmias

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Vector Field Heterogeneity (VFH) as a novel quantitative marker of electrical disarray in Arrhythmogenic CardioMyopathy (ACM) with ventricular tachycardia

Event: ESC Congress 2024

Topic: Arrhythmogenic Right Ventricular Cardiomyopathy

Session: Tips and tricks in catheter ablation of ventricular arrhythmias

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Identification of reentry vulnerable targets during substrate mapping for ablation in scar related VT: the "visual" reentry vulnerability index

Event: EHRA 2024

Topic: Ablation of Ventricular Arrhythmias

Session: Ventricular tachycardia: ablation

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