DEAR MAYO CLINIC: I recently read that long QT syndrome is quite common. What is it, and how is it diagnosed? I have read that fainting may be one sign of the disorder. Can long QT syndrome be treated ...

Prolonged QT syndrome (a.k.a. Long QT Syndrome) consists of multiple different variations including long QT type 1-12, Romano-Ward syndrome and Jervell-Lange-Nielsen syndrome. A prolonged QT interval ...

Stories of athletes who collapse and die grab the headlines, but you may not hear about the other 4,000 or so American children and young adults who die each year when their hearts malfunction because ...

This section presents medications that are known to potentially lead to 'Long QT syndrome' as a side effect. It's important to note that mild side effects are quite common with medications. Please be ...

Treatment of long QT syndrome (LQTS) aims to prevent sudden cardiac death and similarly fatal abnormal heart rhythms and fainting spells. LQTS is a genetic condition in the majority of cases and ...

Please provide your email address to receive an email when new articles are posted on . In long QT syndrome, patients doing vigorous exercise did not have more events than those doing nonvigorous ...

Long QT syndrome (LQTS) is the prototypic cardiac channelopathy underscored by profound genetic and phenotypic heterogeneity. In 1991, the first LQTS chromosome locus was identified and subsequently ...

The QT interval on an electrocardiogram signifies the time required for the heart to repolarize after depolarization. It has long been appreciated that a long QT interval predisposes patients to ...

Long QT syndrome (LQTS) is a disease that affects the normal heart rhythm and electrical activity. It may lead to sudden onset and dangerous arrhythmias (irregularities of heart rate and rhythm) which ...

Long QT syndrome (LQTS) is an inherited genetic disorder associated with QT prolongation on the electrocardiogram (ECG) and ventricular tachyarrhythmias that manifest as syncope, aborted cardiac ...

In 1995 and 1996, the three main genes for LQTS were identified. 5,6,7 Their identification modified understanding and even terminology; the LQT1 form involves mutations on the KCNQ1 (formerly KVLQT1) ...

In a First Nation community located northeast of Haida Gwaii in British Columbia, a 38-year-old woman required resuscitation from an apparent cardiac arrest that had occurred while she was coaching at ...