Atrioventricular block-induced Torsades de Pointes with clinical and molecular backgrounds similar to congenital long QT syndrome

Y Oka, H Itoh, WG Ding, W Shimizu, T Makiyama… - Circulation …, 2010 - jstage.jst.go.jp
Background: Atrioventricular block (AVB) sometimes complicates QT prolongation and
torsades de pointes (TdP). Methods and Results: The clinical and genetic background of 14 …

Challenges of diagnosis of long‐QT syndrome in children

EWA MORIC‐JANISZEWSKA… - Pacing and Clinical …, 2007 - Wiley Online Library
We describe the clinical and genetic characteristics of the family, in which the diagnosis of
LQT1 had been made. The electrocardiogram (ECG) characteristics of this patient indicated …

Giant T–U waves precede torsades de pointes in long QT syndrome: a systematic electrocardiographic analysis in patients with acquired and congenital QT …

P Kirchhof, MR Franz, A Bardai, AM Wilde - Journal of the American College …, 2009 - jacc.org
Objectives: This study sought to identify electrocardiographic (ECG) criteria that are
associated with initiation of torsades de pointes (TdP) in patients with acquired (a-) and …

Neonatal forms of congenital long QT syndrome

JM Lupoglazoff, I Denjoy, E Villain… - … des maladies du …, 2004 - europepmc.org
Methods we included 24 propositus newborns from our population with LQTS. Genetic study
was possible in 19 cases. Results the diagnosis of LQTS was made according to a QT …

Positive QRS Complex in Lead I as a Malignant Sign in Right Ventricular Outflow Tract Tachycardia–Comparison Between Polymorphic and Monomorphic Ventricular …

K Kurosaki, A Nogami, Y Shirai, S Kowase - Circulation Journal, 2013 - jstage.jst.go.jp
Background: Idiopathic ventricular fibrillation (VF) or polymorphic ventricular tachycardia
(PVT) arising from the right ventricular outflow tract (RVOT) is occasionally observed. The …

Case report of a patient with congenital long QT syndrome Type 2 presenting with electrical storm: do not judge a book by its cover!

D Lawin, MR Poudel, T Lawrenz… - … Heart Journal-Case …, 2022 - academic.oup.com
Background Patients with congenital long QT syndrome (LQTS) are at high risk for sudden
cardiac death (SCD). Although several triggers can provoke ventricular fibrillation (VF) in …

Can long QT syndrome be diagnosed by vectorcardiography when the corrected QT on the resting 12-lead electrocardiogram is of normal duration?

AJ Moss - Heart Rhythm, 2017 - heartrhythmjournal.com
Presently, 16 genotypes have been identified as being associated with long QT syndrome
(LQTS), with several of the abnormal genotypes having a multiplicity of different mutations …

[引用][C] Revised definition of M cell and Torsade de Pointes in long QT syndrome

N Takahashi - Journal of Cardiovascular Electrophysiology, 2005 - Wiley Online Library
During the last two decades, numerous clinical and experimental investigations have
advanced the knowledge of long QT syndrome (LQTS) and related life-threatening …

Evaluation of prolonged QT interval: structural heart disease mimicking long QT syndrome

A WEISSLER‐SNIR, MH Gollob… - Pacing and Clinical …, 2017 - Wiley Online Library
Background In about 20–25% of patients with congenital long QT syndrome (LQTS) a
causative pathogenic mutation is not found. The aim of this study was to explore the …

Transient Outward K+ Current (Ito) Underlies the Right Ventricular Initiation of Polymorphic Ventricular Tachycardia in a Transgenic Rabbit Model of Long-QT …

BR Choi, W Li, D Terentyev, AY Kabakov… - Circulation …, 2018 - Am Heart Assoc
Background: Sudden death in long-QT syndrome type 1 (LQT1), an inherited disease
caused by loss-of-function mutations in KCNQ1, is triggered by early afterdepolarizations …