There are only a few sinus rhythm QRS complexes available to examine on this ECG. Using lead V1 an ... This is also known as Torsades de Pointes which translates in French to "twisting of the ...

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).

The authors proposed several explanations for this, including the fact that the arrhythmias can be confirmed only through ECG monitoring, which was not routinely conducted in the earlier years of ...

Whereas someone exhibiting marked prolongation of the QT interval with QTc exceeding 500 ms who was just externally defibrillated from torsades de pointes while swimming ... However, the 12-lead ECG ...