Fig. 2
From: The long QT syndrome family of cardiac ion channelopathies: A HuGE review
Arrhythmia onset in long QT syndrome. Three simultaneous (and distinct) ECG channel recordings in a patient with QT prolongation and runs of continuously varying polymorphic ventricular tachycardia (torsade de pointes [TdP]). TdP may resolve spontaneously or progress to ventricular fibrillation and cardiac arrest. Reproduced from Chiang C, Roden DM. J Am Coll Cardiol 2000,2 with permission of the American College of Cardiology Foundation. ©2000. All rights reserved.
