Long QT syndrome (LQTS) is the prototypic cardiac ... prescription or avoidance of specific classes of drugs, or the implantation of a defibrillator. The most common form, LQT1, affects about ...

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Certain drugs, including hydroxyzine, can cause an irregular heart rhythm called QT prolongation. Taking other drugs that also affect heart rhythm increases this risk. Also known as long QT ...

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).

TMC207 is a first-in-class anti-TB diarylquinoline (also named R207910 or the 'J' compound) with activity against drug-sensitive ... in the QT interval, but no pathologically prolonged QT or ...

familial long QT-syndrome, concomitant drugs known to prolong the QT interval. Seizures. Thyrotoxicosis. Pre-existing low WBCs or history of leukopenia/neutropenia; monitor CBCs during 1 st few ...

History of QT prolongation. Congenital long QT syndrome. Recent acute MI. Uncompensated heart failure. Concomitant drugs that cause QT prolongation, including dofetilide, sotalol, quinidine ...

Patients with a prolonged QT interval have a higher risk of developing polymorphic VT. Remove offending drugs that prolong the QT interval and correct potassium or calcium imbalances as well.