Polymorphic ventricular tachycardia: terminology, mechanism, diagnosis, and emergency therapy

S Viskin, E Chorin, D Viskin, A Hochstadt… - Circulation, 2021 - Am Heart Assoc
… “torsade de pointes” for arrhythmias caused by an LQTS. … form in adults with type 2 and 3
congenital LQTS 17,21 and is in … VT from the right ventricular outflow tract ([RVOT] RVOT-VT), …

Latent causes of sudden cardiac arrest

AD Krahn, J Tfelt-Hansen, R Tadros, C Steinberg… - Clinical …, 2022 - jacc.org
… conditions such as long QT syndrome and Brugada syndrome, … result in premature ventricular
complexes (PVCs) and triggertriggers are reported within the right ventricular outflow tract

[HTML][HTML] Treatment on arrhythmia electric storm in a Jervell and Lange-Nielsen syndrome patient by ablation of the triggering premature ventricular contraction: a case …

R Zhang, C Ding, H Wang - Annals of Palliative Medicine, 2021 - apm.amegroups.org
patients, which is much rarer than RWS. The main symptoms of JLNS are syncope and fatal
arrhythmia like other LQTS, … at the septum of the right ventricular outflow tract produced QRS …

[HTML][HTML] Primary Electrical Heart Disease—Principles of Pathophysiology and Genetics

K Badura, D Buławska, B Dąbek, A Witkowska… - International Journal of …, 2024 - mdpi.com
… symptomatic patients had at least one non-lethal LQTS trigger … The right ventricular
outflow tract, where electrical … We can perform provocative tests for latent mutations in the …

The value of the 12-lead electrocardiogram in the prediction of sudden cardiac death

L Calò, O Lanza, C Crescenzi, C Parisi… - European Heart …, 2023 - academic.oup.com
… channelopathies such as long-QT syndrome (LQTS), congenital … caused by myocardial
scarring from benign normal variants. … The type 2 pattern has a ‘saddleback’ appearance with a …

Polymorphic Ventricular Tachycardia Storm After Coronary Artery Bypass Graft Surgery: A Form of 'Angry Purkinje Syndrome'

J William, J Shembrey, E Quine, M Perrin… - Heart, Lung and …, 2023 - Elsevier
… or drug toxicity (acquired long QT syndrome) [2]. In contrast, … episodes are triggered by
premature ventricular complexes (… , manifesting as latent arrhythmia occurring days after an acute …

Cardiac arrhythmias and antiarrhythmic drugs

EP Walsh, ME Alexander - Nadas' Pediatric Cardiology, 2025 - Elsevier
… in long QT syndrome [LQTS]), while the delayed type typically … it is quite certain that triggered
activity is operative in clinical … When SA node automaticity is impaired, one of several latent

Idiopathic ventricular fibrillation: role of Purkinje system and microstructural myocardial abnormalities

M Haïssaguerre, J Duchateau, R Dubois… - Clinical …, 2020 - jacc.org
… morphological patterns from right or left outflow tracts, the latter … No patient had any ECG
showing short or long QT syndrome… on patients with frequent Purkinje triggers and polymorphic

The role of the autonomic nervous system in cardiac arrhythmias: the neuro-cardiac axis, more foe than friend?

AA Manolis, TA Manolis, EJ Apostolopoulos… - Trends in cardiovascular …, 2021 - Elsevier
… be responsible for triggering “vagotonic” arrhythmias (eg PAF… of its short-latency (ICNS),
medium-latency (intrathoracic), … in managing patients with inherited syndromes (LQTS, CPVT)…

Multidisciplinary Critical Care Management of Electrical Storm: JACC State-of-the-Art Review

JC Jentzer, PA Noseworthy, AH Kashou… - Journal of the American …, 2023 - jacc.org
… , can lead to sustained ventricular arrhythmia caused by re-… , early afterdepolarizations
(EADs) from long QT syndrome, or … reported targeting right ventricular outflow tract substrate in …