A 19-year-old woman without structural heart disease was referred because of a long history
of nonsustained palpitations. The resting ECG showed sinus rhythm alternating with …

Long QT-syndrome (LQTS) is a genetic cardiac channelopathy characterised by a
prolonged QT interval on a surface electrocardiogram (ECG), syncope, T-wave …

The long QT syndrome (LQTS) is occasionally complicated by impaired atrioventricular (AV)
conduction. This form of LQTS can manifest before birth or during neonatal life, and no …

Fetal onset of congenital long QT syndrome (LQTS) is a rare manifestation, and prenatal
diagnosis is difficult. This report describes a boy who presented with both atrioventricular …

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 …

Idiopathic ventricular tachycardias (VT) occur in the absence of structural heart disease,
which includes previous myocardial infarction, cardiomyopathy, and congenital heart …

A 28-year-old man was admitted to the Emergency Department because of palpitations. 1
He suffered from paroxysmal palpitation episodes during exercise, especially while …

Long-QT syndrome (LQTS) is characterized by QT interval prolongation and subsequent
polymorphic ventricular tachycardia, torsades de pointes (TdP), and leads to sudden cardiac …

Pseudo 2: 1 AV block when sinus intervals are shorter than the ventricular refractory period
has been reported with long QT syndrome (LQTS). We report the characteristics and …

A 21-year-old male experienced frequent episodes of polymorphic ventricular tachycardia
(PVT) initiated by a closely coupled premature ventricular complex (PVC) in the absence of …