Purpose: The association of methadone with Q-T interval prolongation and torsades de pointes (TdP ... action potentials that are expressed as long Q-T intervals, and methadone has been found ...

mayo.edu Congenital long QT syndrome (LQTS) affects an estimated 1 in 2500 people ... with QTc exceeding 500 ms who was just externally defibrillated from torsades de pointes while swimming poses ...

A prolonged QT interval has a variety of causes and can be a very serious ECG finding, as it may lead to the potentially fatal arrhythmia polymorphic ventricular tachycardia (Torsades de Pointes).

A prolonged QT interval increases the risk of polymorphic ventricular tachycardia (Torsades de Pointes) which can result in sudden cardiac death. Long QT 1: The ECG shows broad based T waves.

Also known as long QT syndrome, QT prolongation is a heart ... Hydroxyzine, in rare cases, may also cause a condition called torsades de pointes. Torsade de pointes is a specific type of ...

The patient was hospitalized for torsades de pointes and had no long-term effects. This patient also had preexisting cardiovascular conditions and was receiving amiodarone, hydrochlorothiazide in ...