- long Q-T syndrome
- prolonged Q-T interval syndrome
- A syndrome characterized by history of syncopal episodes and a long QT interval, sometimes leading to sudden death due to paroxysmal ventricular arrhythmia. A form associated with autosomal recessive inheritance and congenital deafness is called the JERVELL-LANGE NIELSEN SYNDROME. An autosomal dominant form without deafness is called the ROMANO-WARD SYNDROME.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- prolongation of Q-T interval combined with torsades de pointes and manifests as several different forms; may be acquired or congenital; may lead to serious arrhythmia and sudden cardiac death.
Definition from: CRISP Thesaurus via Unified Medical Language System at the National Library of Medicine
- Any of several inherited cardiac arrhythmias that are characterized by abnormal duration and shape of the QT interval and that place the subject at risk for torsades de pointes -- abbreviation LQTS.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.