February 9, 2010 (Dallas, Texas and Washington, DC) — Many common, useful drugs have the side effect of electrocardiographic QT-interval prolongation, which substantially increases the risk of sudden ...

The QT interval is the time from the beginning of the QRS complex (ventricular depolarization) to the end of the T wave (ventricular repolarization). The normal QT interval is controversial and ...

The long-QT syndrome and catecholaminergic polymorphic ventricular tachycardia are the most common inherited cardiac channelopathies. 1 Although the disease mechanisms for these two disorders differ, ...

Risperidone (RIS), one of the second-generation antipsychotic agents, is reported to prolong the QT interval, and may cause fatal arrhythmia, such as torsades de pointes. 1, 2, 3 The major active ...

Munich, Germany - Researchers have devised a method to create patient-derived cells that can mimic the phenotype that causes long-QT syndrome, which may help in the development of new drug therapies ...

There are only a few sinus rhythm QRS complexes available to examine on this ECG. Using lead V1 an incomplete right bundle branch block is seen. A prolonged QT interval is present that extends all the ...

Tyrosine kinase inhibitors (TKIs) are associated with prolongation of the QTc interval on the electrocardiogram (ECG). The QTc-interval prolongation increases the risk of life-threatening arrhythmias.